#include <bits/stdc++.h>

using namespace std;


int phi[100002];

int main()
{
    freopen("sum.in", "r", stdin);
    freopen("sum.out", "w", stdout);
    for(int i=1;i<=100002;i++)
        phi[i]=i-1;

    for(int i=2;i<100002;i++)
        for(int j=i*2;j<100002;j+=i)
            phi[j]-=phi[i];

    int n;
    scanf("%d", &n);
    while(n--)
    {
        int valuare;
        scanf("%d", &valuare);
        printf("%lld\n", 1LL*2*valuare*phi[valuare]);
    }
    return 0;
}