66221764

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{124477}}^1$

素因数の和:124507

約数の個数: 24

約数和(自身を含む): 139415360

約数和(自身を除く): 73193596

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 124477, 248954, 497908, 871339, 1742678, 2365063, 3485356, 4730126, 9460252, 16555441, 33110882, 66221764]

約数ペア:

[(1, 66221764), (2, 33110882), (4, 16555441), (7, 9460252), (14, 4730126), (19, 3485356), (28, 2365063), (38, 1742678), (76, 871339), (133, 497908), (266, 248954), (532, 124477)]