#include <cstdio>

using namespace std;

int phi[100001];

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

    return 0;
}