#int(input())
#map(int, input().split())
#list(map(int, input().split()))

N = int(input())
A = list(map(int, input().split()))
mod = 998244353

m = 10 ** 6 + 10

p = [1] * m
for i in range(2, m):
    if p[i] != 1:
        continue
    for j in range(1, m):
        if i * j >= m:
            break
        p[i*j] = i

a = [0] * m
dp = [1] * (N)

for i in range(N):
    b = A[i]
    s = set()
    while b != 1:
        t = p[b]
        s.add(t)
        b //= t
    for x in s:
        dp[i] = (dp[i] + a[x]) % mod
    for x in s:
        a[x] = (a[x] + dp[i]) % mod

print(sum(dp) % mod)