1285481456

素因数分解:

$2^4\times 7^1\times {\mathrm{11477513}}^1$

素因数の和:11477528

約数の個数: 20

約数和(自身を含む): 2846423472

約数和(自身を除く): 1560942016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 11477513, 22955026, 45910052, 80342591, 91820104, 160685182, 183640208, 321370364, 642740728, 1285481456]

約数ペア:

[(1, 1285481456), (2, 642740728), (4, 321370364), (7, 183640208), (8, 160685182), (14, 91820104), (16, 80342591), (28, 45910052), (56, 22955026), (112, 11477513)]