# include <bits/stdc++.h>

using namespace std;

const int Nmax = 1e5 + 5;

int euler[Nmax], n, x, i, j;

void pre_calc() {
    euler[1] = 1;
    for (i = 2; i <= Nmax; ++i)
        euler[i] = i - 1;

    for (i = 2; i <= Nmax; ++i)
        for (j = 2 * i; j <= Nmax; j += i)
            euler[j] -= euler[i];
}

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

    pre_calc();

    scanf("%d\n", &n);

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

    return 0;
}