638065471

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1627}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 719706240

約数和(自身を除く): 81640769

約数列:

[1, 17, 23, 59, 289, 391, 1003, 1357, 1627, 6647, 17051, 23069, 27659, 37421, 95993, 392173, 470203, 636157, 1631881, 2207839, 10814669, 27741977, 37533263, 638065471]

約数ペア:

[(1, 638065471), (17, 37533263), (23, 27741977), (59, 10814669), (289, 2207839), (391, 1631881), (1003, 636157), (1357, 470203), (1627, 392173), (6647, 95993), (17051, 37421), (23069, 27659)]