8540203679

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{408173}}^1$

素因数の和:408255

約数の個数: 16

約数和(自身を含む): 10122715200

約数和(自身を除く): 1582511521

約数列:

[1, 7, 49, 61, 343, 427, 2989, 20923, 408173, 2857211, 20000477, 24898553, 140003339, 174289871, 1220029097, 8540203679]

約数ペア:

[(1, 8540203679), (7, 1220029097), (49, 174289871), (61, 140003339), (343, 24898553), (427, 20000477), (2989, 2857211), (20923, 408173)]