1640883377

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{28493}}^1$

素因数の和:28952

約数の個数: 16

約数和(自身を含む): 1978623360

約数和(自身を除く): 337739983

約数列:

[1, 7, 19, 133, 433, 3031, 8227, 28493, 57589, 199451, 541367, 3789569, 12337469, 86362283, 234411911, 1640883377]

約数ペア:

[(1, 1640883377), (7, 234411911), (19, 86362283), (133, 12337469), (433, 3789569), (3031, 541367), (8227, 199451), (28493, 57589)]