856416836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{130631}}^1$

素因数の和:130795

約数の個数: 24

約数和(自身を含む): 1645963200

約数和(自身を除く): 789546364

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3278, 6556, 130631, 261262, 522524, 1436941, 2873882, 5747764, 19464019, 38928038, 77856076, 214104209, 428208418, 856416836]

約数ペア:

[(1, 856416836), (2, 428208418), (4, 214104209), (11, 77856076), (22, 38928038), (44, 19464019), (149, 5747764), (298, 2873882), (596, 1436941), (1639, 522524), (3278, 261262), (6556, 130631)]