16815565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4241}}^1$

素因数の和:4320

約数の個数: 16

約数和(自身を含む): 22092336

約数和(自身を除く): 5276771

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 4241, 21205, 55133, 258701, 275665, 1293505, 3363113, 16815565]

約数ペア:

[(1, 16815565), (5, 3363113), (13, 1293505), (61, 275665), (65, 258701), (305, 55133), (793, 21205), (3965, 4241)]