2018563421

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{90199}}^1$

素因数の和:90368

約数の個数: 16

約数和(自身を含む): 2424576000

約数和(自身を除く): 406012579

約数列:

[1, 7, 23, 139, 161, 973, 3197, 22379, 90199, 631393, 2074577, 12537661, 14522039, 87763627, 288366203, 2018563421]

約数ペア:

[(1, 2018563421), (7, 288366203), (23, 87763627), (139, 14522039), (161, 12537661), (973, 2074577), (3197, 631393), (22379, 90199)]