#include <cstdio>

#define NMAX 100000
using namespace std;

int phi[NMAX+3];

int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    long long n,cnt=0,i,j,t;

    for(int i=1;i<=100000;i++)
        phi[i]=i-1;
    for(i=2;i<=100000;i++)
        {for(j=i*2;j<=100000;j+=i)
            phi[j]-=phi[i];
            }
    scanf("%lld",&n);
    for(i=1;i<=n;i++)
    {
        scanf("%lld",&t);
        printf("%lld\n",2*t*phi[t]);
    }
    return 0;
}