#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using mint = atcoder::modint998244353;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    vector<bool> tb(n + 1);
    vector<mint> dp(n + 1, 1);
    for(int i = 2; i <= n; i++){
        if(tb[i]) continue;
        int d = 1, cnt = 0;
        while((long long)d * i <= n){
            d *= i;
            cnt += n / d;
        }
        for(int j = 1; j <= cnt; j++) dp[j] *= cnt / j + 1;
        for(int j = 2 * i; j <= n; j += i) tb[j] = true;
    }
    cout << accumulate(dp.begin(), dp.end(), mint(-n-1)).val() << '\n';
}