#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
//using mint = modint1000000007;
//const int mod = 1000000007;
using mint = modint998244353;
const int mod = 998244353;
//const int INF = 1e9;
//const long long LINF = 1e18;
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define rep2(i,l,r)for(int i=(l);i<(r);++i)
#define rrep(i, n) for (int i = (n-1); i >= 0; --i)
#define rrep2(i,l,r)for(int i=(r-1);i>=(l);--i)
#define all(x) (x).begin(),(x).end()
#define allR(x) (x).rbegin(),(x).rend()
#define endl "\n"
#define P pair<int,int>
template<typename A, typename B> inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; }
template<typename A, typename B> inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; }
// 素因数分解
vector<int> PrimeFactorization(long long n) {
	vector<int> ret;
	for (long long i = 2; i*i <= n; i++) {
		int c = 0;
		while (n%i == 0) { // 素数で割り切れなくなるまで割っていく
			c++;//割った個数を配列に足す
			n /= i;
		}
		if (0 != c) ret.push_back(i);
		if (1 == n) break;
	}
	if (1 != n) ret.push_back(n);
	return ret;
}
int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	mint ans = 0;
	vector<mint>memo(1000006);
	memo[1] = 1;
	int n; cin >> n;
	rep(i, n) {
		int a; cin >> a;
		auto v = PrimeFactorization(a);
		mint val = 1;
		vector<int>list;
		rep2(j, 1, 1 << v.size()) {
			int cnt = 0;
			int x = 1;
			rep(k, v.size()) {
				if (1 & (j >> k)) {
					x *= v[k];
					cnt++;
				}
			}
			list.push_back(x);
			if (1 == cnt % 2) val += memo[x];
			else val -= memo[x];
		}
		rep(j, list.size())memo[list[j]] += val;
		ans += val;
	}
	cout << ans.val() << endl;
	return 0;
}