221475388

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{21859}}^1$

素因数の和:22029

約数の個数: 24

約数和(自身を含む): 413154000

約数和(自身を除く): 191678612

約数列:

[1, 2, 4, 17, 34, 68, 149, 298, 596, 2533, 5066, 10132, 21859, 43718, 87436, 371603, 743206, 1486412, 3256991, 6513982, 13027964, 55368847, 110737694, 221475388]

約数ペア:

[(1, 221475388), (2, 110737694), (4, 55368847), (17, 13027964), (34, 6513982), (68, 3256991), (149, 1486412), (298, 743206), (596, 371603), (2533, 87436), (5066, 43718), (10132, 21859)]