399752012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{613}}^1\times {\mathrm{14821}}^1$

素因数の和:15449

約数の個数: 24

約数和(自身を含む): 764459472

約数和(自身を除く): 364707460

約数列:

[1, 2, 4, 11, 22, 44, 613, 1226, 2452, 6743, 13486, 14821, 26972, 29642, 59284, 163031, 326062, 652124, 9085273, 18170546, 36341092, 99938003, 199876006, 399752012]

約数ペア:

[(1, 399752012), (2, 199876006), (4, 99938003), (11, 36341092), (22, 18170546), (44, 9085273), (613, 652124), (1226, 326062), (2452, 163031), (6743, 59284), (13486, 29642), (14821, 26972)]