Cod sursa(job #1360746)

Utilizator Seb16Ungureanu Paul Sebastian Seb16 Data 25 februarie 2015 17:35:48
Problema Suma si numarul divizorilor Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.25 kb
#include <fstream>
#include <cmath>
using namespace std;
ifstream fin("ssnd.in");
ofstream fout("ssnd.out");
int p, t, nr, len;
bool v[1000006];
long long s, n;
int putere(int nr, int putere)
{
    int nrputere=nr;
    for(int i=1;i<putere;i++)
    {
        nrputere=nrputere*nr;
    }
    return nrputere;
}
void ciur()
{
    for(int i=2; i<=1000005; i++)
    {
        if(v[i]==0)
        {
            for(int j=i+i; j<=1000005; j=j+i)
            {
                v[j]=1;
            }
        }
    }
}
int main()
{
    ciur();
    fin>>t;
    for(int i=1; i<=t; i++)
    {
        fin>>n;
        if(v[n]==0)
            fout<<"2 "<<n+1<<'\n';
        else
        {
            s=1;
            nr=1;
            len=sqrt(n);
            for(int j=2; j<=len; j++)
            {
                if(v[j]==0)
                {
                    p=0;
                    while(n%j==0)
                    {
                        n=n/j;
                        p++;
                    }
                    nr=nr*(p+1);
                    s=s*((putere(j, p+1)-1)/(j-1));
                }
            }
            fout<<nr<<' '<<s<<'\n';
        }
    }
    fin.close();
    fout.close();
    return 0;
}