81866456

素因数分解:

$2^3\times 7^2\times {\mathrm{208843}}^1$

素因数の和:208863

約数の個数: 24

約数和(自身を含む): 178561620

約数和(自身を除く): 96695164

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 208843, 417686, 835372, 1461901, 1670744, 2923802, 5847604, 10233307, 11695208, 20466614, 40933228, 81866456]

約数ペア:

[(1, 81866456), (2, 40933228), (4, 20466614), (7, 11695208), (8, 10233307), (14, 5847604), (28, 2923802), (49, 1670744), (56, 1461901), (98, 835372), (196, 417686), (392, 208843)]