12771895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{577}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 16230240

約数和(自身を除く): 3458345

約数列:

[1, 5, 19, 95, 233, 577, 1165, 2885, 4427, 10963, 22135, 54815, 134441, 672205, 2554379, 12771895]

約数ペア:

[(1, 12771895), (5, 2554379), (19, 672205), (95, 134441), (233, 54815), (577, 22135), (1165, 10963), (2885, 4427)]