#include<cstdio>
const int N=100000;
long long e[N+1];
int main(){
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    for(int i=1;i<=N;i++)
        e[i]=i;
    for(int i=2;i<=N;i++)
        if(e[i]==i)
            for(int j=i*2;j<=N;j+=i)
                e[j]=e[j]*(i-1)/i;
    int t;
    scanf("%d",&t);
    while(t--){
        int n;
        scanf("%d",&n);
        if(e[n]==n)
            e[n]--;
        printf("%lld\n",1LL*2*n*e[n]);
    }
    return 0;
}