211653122

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{11437}}^1$

素因数の和:11945

約数の個数: 16

約数和(自身を含む): 334904640

約数和(自身を除く): 123251518

約数列:

[1, 2, 19, 38, 487, 974, 9253, 11437, 18506, 22874, 217303, 434606, 5569819, 11139638, 105826561, 211653122]

約数ペア:

[(1, 211653122), (2, 105826561), (19, 11139638), (38, 5569819), (487, 434606), (974, 217303), (9253, 22874), (11437, 18506)]