320488618

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{64381}}^1$

素因数の和:64533

約数の個数: 16

約数和(自身を含む): 509905440

約数和(自身を除く): 189416822

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4978, 64381, 128762, 1223239, 2446478, 8433911, 16867822, 160244309, 320488618]

約数ペア:

[(1, 320488618), (2, 160244309), (19, 16867822), (38, 8433911), (131, 2446478), (262, 1223239), (2489, 128762), (4978, 64381)]