#include <bits/stdc++.h>
#define nmax 100001
using namespace std;
long long phi[nmax];

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

    for(int i=1;i<=nmax;i++)
        phi[i]=i-1;
    for(int i=2;i<=nmax;i++)
    {
        for(int j=2*i;j<=nmax;j+=i)
        {
            phi[j]=phi[j]-phi[i];

        }

    }
    scanf("%d",&t);
    for(int i=1;i<=t;i++)
    {
        scanf("%d",&n);
        printf("%lld\n",1LL*2*n*phi[n]);
    }

    return 0;
}