#include <cstdio>

using namespace std;
const int NMAX = 100000;

int eul[NMAX+1];

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