1397003816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{13432729}}^1$

素因数の和:13432748

約数の個数: 16

約数和(自身を含む): 2820873300

約数和(自身を除く): 1423869484

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 13432729, 26865458, 53730916, 107461832, 174625477, 349250954, 698501908, 1397003816]

約数ペア:

[(1, 1397003816), (2, 698501908), (4, 349250954), (8, 174625477), (13, 107461832), (26, 53730916), (52, 26865458), (104, 13432729)]