221561212

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{9067}}^1$

素因数の和:9261

約数の個数: 24

約数和(自身を含む): 399898800

約数和(自身を除く): 178337588

約数列:

[1, 2, 4, 41, 82, 149, 164, 298, 596, 6109, 9067, 12218, 18134, 24436, 36268, 371747, 743494, 1350983, 1486988, 2701966, 5403932, 55390303, 110780606, 221561212]

約数ペア:

[(1, 221561212), (2, 110780606), (4, 55390303), (41, 5403932), (82, 2701966), (149, 1486988), (164, 1350983), (298, 743494), (596, 371747), (6109, 36268), (9067, 24436), (12218, 18134)]