420546708478

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{1244221031}}^1$

素因数の和:1244221059

約数の個数: 12

約数和(自身を含む): 683077346568

約数和(自身を除く): 262530638090

約数列:

[1, 2, 13, 26, 169, 338, 1244221031, 2488442062, 16174873403, 32349746806, 210273354239, 420546708478]

約数ペア:

[(1, 420546708478), (2, 210273354239), (13, 32349746806), (26, 16174873403), (169, 2488442062), (338, 1244221031)]