#include <cstdio>

using namespace std;

int i,phi[100005],j,s,x,n;

int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    for(i=1 ; i<= 100001 ; ++i)
        phi[i]=i-1;
    for(i=2 ; i<= 100001 ; ++i)
        for(j=i*2 ; j<= 100001 ; j+=i)
        phi[j]-=phi[i];

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

    }
    return 0;
}