81307016

素因数分解:

$2^3\times 7^1\times {\mathrm{1451911}}^1$

素因数の和:1451924

約数の個数: 16

約数和(自身を含む): 174229440

約数和(自身を除く): 92922424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1451911, 2903822, 5807644, 10163377, 11615288, 20326754, 40653508, 81307016]

約数ペア:

[(1, 81307016), (2, 40653508), (4, 20326754), (7, 11615288), (8, 10163377), (14, 5807644), (28, 2903822), (56, 1451911)]