#include <cstdio>
using namespace std;
int n, i, x, z, j, phi[100001];
long long sum;
int main()
{
    freopen("sum.in", "r", stdin);
    freopen("sum.out", "w", stdout);
    scanf("%d", &n);
    for(i=2;i<=100001;++i) phi[i]=i-1;
    for(i=2;i<=100001;++i)
        for(j=2*i;j<=100001;j+=i)
            phi[j]-=phi[i];
    for(i=1;i<=n;++i)
    {
        scanf("%d", &x);
        printf("%d\n", 2*x*phi[x]);
    }
    return 0;
}