#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<ll,ll>;
#define fix(x) fixed << setprecision(x)
#define asc(x) x, vector<x>, greater<x>
#define rep(i, n) for(ll i = 0; i < n; i++)
#define all(x) (x).begin(),(x).end()
template<class T>bool chmin(T&a, const T&b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool chmax(T&a, const T&b){if(a<b){a=b;return 1;}return 0;}
constexpr ll INFLL = (1LL << 62), MOD = 998244353;
constexpr int INF = (1 << 30);

int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int n;
    cin >> n;
    vector<int> a(n);
    rep(i,n) cin >> a[i];
    int ans = 2*n, k = 1;
    for(int i=2;i<ans;i++){
        int now = 0, cnt = 0;
        while(now<n){
            int x = a[now]/i, ok = now, ng = n;
            while(ng-ok>1){
                int md = (ok+ng)/2;
                if(a[md]/i==x) ok = md;
                else ng = md;
            }
            cnt++;
            now = ng;
        }
        if(chmin(ans, (i+1)*cnt)) k = i;
    }
    cout << k << '\n' << ans << '\n';
    return 0;
}