#include <cstdio>
using namespace std;

const int MAX_X = 100002;

int N;
int phi[MAX_X];

int main() {
    freopen("sum.in", "r", stdin);
    freopen("sum.out", "w", stdout);

    for(int i = 2; i < MAX_X; ++i)
        phi[i] = i - 1;

    for(int i = 2; i < MAX_X; ++i)
        for(int j = 2 * i; j < MAX_X; j += i)
            phi[j] -= phi[i] ;

    scanf("%d", &N);
    for(int i = 1, x; i <= N; ++i) {
        scanf("%d", &x);
        printf("%lld\n", (long long) 2 * phi[x] * x);
    }

    return 0;
}