from collections import defaultdict
MOD=998244353
N,M=map(int,input().split())
use=set()
for i in range(1,M+1):
    if M%i==0:
        use.add(i)
        use.add(M//i)
    if i*i>M:
        break
use=sorted(list(use),reverse=True)
count=defaultdict(int)
count[M]=1
ans=0
for i in use:
    now=set()
    for j in range(1,i+1):
        if i%j==0:
            now.add(j)
            now.add(i//j)
        if j*j>i:
            break
    ans+=count[i]*pow(len(now),N,MOD)
    ans%=MOD
    for j in now:
        if j==i:
            continue
        count[j]-=count[i]
print(ans)