131244620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{504787}}^1$

素因数の和:504809

約数の個数: 24

約数和(自身を含む): 296815344

約数和(自身を除く): 165570724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 504787, 1009574, 2019148, 2523935, 5047870, 6562231, 10095740, 13124462, 26248924, 32811155, 65622310, 131244620]

約数ペア:

[(1, 131244620), (2, 65622310), (4, 32811155), (5, 26248924), (10, 13124462), (13, 10095740), (20, 6562231), (26, 5047870), (52, 2523935), (65, 2019148), (130, 1009574), (260, 504787)]