218496733

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20177}}^1$

素因数の和:20221

約数の個数: 24

約数和(自身を含む): 289836792

約数和(自身を除く): 71340059

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 10829, 20177, 141239, 262301, 343009, 988673, 1836107, 2401063, 4459117, 12852749, 16807441, 31213819, 218496733]

約数ペア:

[(1, 218496733), (7, 31213819), (13, 16807441), (17, 12852749), (49, 4459117), (91, 2401063), (119, 1836107), (221, 988673), (637, 343009), (833, 262301), (1547, 141239), (10829, 20177)]