Cod sursa(job #2355981)

Utilizator BAlexandruBorgovan Alexandru BAlexandru Data 26 februarie 2019 13:45:48
Problema Suma divizorilor Scor 10
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.65 kb
#include <fstream>

using namespace std;

ifstream f("sumdiv.in");
ofstream g("sumdiv.out");

int a,b;
int d,k,i;
long long q,q1,s=1;

int main()
{
    f>>a>>b;
    for (d=2;d*d<=a;d++)
    {
        k=0;
        q=1;
        while (a%d==0)
        {
            k++;
            a=a/d;
            q=q*d;
        }
        if (k)
        {
            q1=1;
            for (i=1;i<=b+1;i++)
                q1=(q1*q)%9901;
            s=(s*(q1-1)/(d-1))%9901;
        }
    }
    if (a>1)
    {
        q=1;
        for (i=1;i<=b+1;i++)
            q=(q*a)%9901;
        s=(s*(q-1)/(a-1))%9901;
    }
    g<<s;
    return 0;
}