#include <cstdio>
#define DIM 100010

using namespace std;

int n, x;
int phi[DIM];

int main()
{
	for (int i = 1;i < 100001;++i)
		phi[i] = i - 1;
	for (int i = 2;i < 100001;++i)
		for (int j = 2 * i;j < 100001;j += i)
			phi[j] -= phi[i];
	freopen("sum.in", "r", stdin);
	freopen("sum.out", "w", stdout);
	scanf("%d", &n);
	for (int i = 1;i <= n;++i)
	{
		scanf("%d", &x);
		printf("%lld\n", 1LL * 2 * x * phi[x]);
	}
	return 0;
}