257897124

素因数分解:

$2^2\times 3^2\times {\mathrm{7163809}}^1$

素因数の和:7163819

約数の個数: 18

約数和(自身を含む): 651906710

約数和(自身を除く): 394009586

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 7163809, 14327618, 21491427, 28655236, 42982854, 64474281, 85965708, 128948562, 257897124]

約数ペア:

[(1, 257897124), (2, 128948562), (3, 85965708), (4, 64474281), (6, 42982854), (9, 28655236), (12, 21491427), (18, 14327618), (36, 7163809)]