#include <cstdio>
using namespace std;
const int NMAX = 100000;
long long phi[NMAX+5];

int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    for (int i = 1; i<=NMAX; i++)
        phi[i] = i-1;
    for (int i = 2; i<=NMAX; i++)
        for (int j = i+i; j<=NMAX; j+=i)
            phi[j]-=phi[i];
    int n;
    long long x;
    scanf("%d",&n);
    while (n--)
    {
        scanf("%lld",&x);
        printf("%lld\n",2*x*phi[x]);
    }
}