81678282217

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{2301899}}^1$

素因数の和:2302080

約数の個数: 16

約数和(自身を含む): 96569308800

約数和(自身を除く): 14891026583

約数列:

[1, 7, 37, 137, 259, 959, 5069, 35483, 2301899, 16113293, 85170263, 315360163, 596191841, 2207521141, 11668326031, 81678282217]

約数ペア:

[(1, 81678282217), (7, 11668326031), (37, 2207521141), (137, 596191841), (259, 315360163), (959, 85170263), (5069, 16113293), (35483, 2301899)]