668857156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1531}}^1\times {\mathrm{9929}}^1$

素因数の和:11475

約数の個数: 24

約数和(自身を含む): 1277871840

約数和(自身を除く): 609014684

約数列:

[1, 2, 4, 11, 22, 44, 1531, 3062, 6124, 9929, 16841, 19858, 33682, 39716, 67364, 109219, 218438, 436876, 15201299, 30402598, 60805196, 167214289, 334428578, 668857156]

約数ペア:

[(1, 668857156), (2, 334428578), (4, 167214289), (11, 60805196), (22, 30402598), (44, 15201299), (1531, 436876), (3062, 218438), (6124, 109219), (9929, 67364), (16841, 39716), (19858, 33682)]