#include <bits/stdc++.h>
using namespace std;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, x = 1, ans, zi = 0;
    cin >> n;
    vector<int> a(n), b(n);
    for(auto &&v:a) cin >> v;
    a.push_back(2e9);
    ans = 2 * n;
    auto f = [&](int v){
        if(v + 1 > ans) return ans;
        int cnt = 0;
        for(int i = 0; i < n; ){
            cnt++;
            if((v + 1) * cnt > ans) return ans;
            int ng = i, ok = n, mid;
            while(ng + 1 < ok){
                mid = (ok + ng) / 2;
                if(a[i] / v < a[mid] / v) ok = mid;
                else ng = mid;
            }
            i = ok;
        }
        return (v + 1) * cnt;
    };
    for(int i = 2; i <= 2 * n; i++){
        int v = f(i);
        if(v < ans){
            ans = v;
            x = i;
        }
    }
    cout << x << '\n';
    cout << ans << '\n';
}