28086444

素因数分解:

$2^2\times 3^2\times {\mathrm{780179}}^1$

素因数の和:780189

約数の個数: 18

約数和(自身を含む): 70996380

約数和(自身を除く): 42909936

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 780179, 1560358, 2340537, 3120716, 4681074, 7021611, 9362148, 14043222, 28086444]

約数ペア:

[(1, 28086444), (2, 14043222), (3, 9362148), (4, 7021611), (6, 4681074), (9, 3120716), (12, 2340537), (18, 1560358), (36, 780179)]