n,z = int(input()),998244353
a = []; f = [0]*(n+1)
for i in range(2,n+1):
    if f[i]: continue
    c = 0; m = n
    while m: c += m//i; m //= i
    a.append(c)
    for j in range(1,n//i+1): f[i*j] = 1
r = [1]*(a[0]+1); s = 0
for v in a:
    for i in range(1,v+1):
        s += r[i]*(v//i)%z; r[i] = r[i]*(v//i+1)%z
print(s%z)