#include <stdio.h>
using namespace std;

long long v[100001];
int main()
{
    long long i,j,n,x,sum;
    FILE*fin,*fout;
    fin=fopen("sum.in","r");
    fout=fopen("sum.out","w");
    fscanf(fin,"%lld", &n);
    for(i=2;i<=100000;i++)
        v[i]=i;
    for(i=2;i<=100000;i++)
        if(v[i]==i)
            for(j=i;j<=100000;j+=i)
                v[j]=v[j]/i*(i-1);
    for(i=1;i<=n;i++)
    {
        fscanf(fin,"%lld", &x);
        sum=2*x*v[x];
        fprintf(fout,"%lld\n",sum);
    }
    fclose(fout);
    return 0;
}