2177808479

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{4040461}}^1$

素因数の和:4040486

約数の個数: 12

約数和(自身を含む): 2763676008

約数和(自身を除く): 585867529

約数列:

[1, 7, 11, 49, 77, 539, 4040461, 28283227, 44445071, 197982589, 311115497, 2177808479]

約数ペア:

[(1, 2177808479), (7, 311115497), (11, 197982589), (49, 44445071), (77, 28283227), (539, 4040461)]