import sys
from sys import stdin
from collections import defaultdict

MOD = 998244353

def main():
    input = sys.stdin.read().split()
    idx = 0
    N = int(input[idx])
    idx += 1
    A = list(map(int, input[idx:idx+N]))
    idx += N

    max_a = 10**6
    spf = list(range(max_a + 1))
    for i in range(2, int(max_a**0.5) + 1):
        if spf[i] == i:
            for j in range(i*i, max_a+1, i):
                if spf[j] == j:
                    spf[j] = i

    def get_primes(x):
        primes = set()
        if x == 1:
            return []
        while x != 1:
            p = spf[x]
            primes.add(p)
            while x % p == 0:
                x = x // p
        return list(primes)

    dp = defaultdict(int)
    ans = 0

    for a in A:
        primes = get_primes(a)
        if not primes:
            ans = (ans + 1) % MOD
            continue

        sum_prev = 0
        for p in primes:
            sum_prev = (sum_prev + dp[p]) % MOD

        current = (sum_prev + 1) % MOD
        ans = (ans + current) % MOD

        for p in primes:
            dp[p] = (dp[p] + current) % MOD

    print(ans % MOD)

if __name__ == '__main__':
    main()