#include <cstdio>
#include <fstream>
#include <cmath>

using namespace std;

int phi[100001];

int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    int n, x, i, j, k = 2;
    scanf("%d",&n);
    for (i = 1; i <= 100000; ++i)
        phi[i] = i - 1;
    for (i = 2; i <= 100000; ++i)
    {
        for(j = 2 * i; j <= 100000; j += i)
            phi[j] -= phi[i];
    }
    for (i = 1; i <= n; ++i)
    {
        scanf("%d", &x);
        printf("%lld\n", 1LL * 2 * phi[x] * x);
    }
    return 0;
}