221506568

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{4591}}^1$

素因数の和:4797

約数の個数: 32

約数和(自身を含む): 429260160

約数和(自身を除く): 207753592

約数列:

[1, 2, 4, 8, 37, 74, 148, 163, 296, 326, 652, 1304, 4591, 6031, 9182, 12062, 18364, 24124, 36728, 48248, 169867, 339734, 679468, 748333, 1358936, 1496666, 2993332, 5986664, 27688321, 55376642, 110753284, 221506568]

約数ペア:

[(1, 221506568), (2, 110753284), (4, 55376642), (8, 27688321), (37, 5986664), (74, 2993332), (148, 1496666), (163, 1358936), (296, 748333), (326, 679468), (652, 339734), (1304, 169867), (4591, 48248), (6031, 36728), (9182, 24124), (12062, 18364)]