81280428

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{62141}}^1$

素因数の和:62257

約数の個数: 24

約数和(自身を含む): 191397360

約数和(自身を除く): 110116932

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 62141, 124282, 186423, 248564, 372846, 745692, 6773369, 13546738, 20320107, 27093476, 40640214, 81280428]

約数ペア:

[(1, 81280428), (2, 40640214), (3, 27093476), (4, 20320107), (6, 13546738), (12, 6773369), (109, 745692), (218, 372846), (327, 248564), (436, 186423), (654, 124282), (1308, 62141)]