331355830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2548891}}^1$

素因数の和:2548911

約数の個数: 16

約数和(自身を含む): 642320784

約数和(自身を除く): 310964954

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2548891, 5097782, 12744455, 25488910, 33135583, 66271166, 165677915, 331355830]

約数ペア:

[(1, 331355830), (2, 165677915), (5, 66271166), (10, 33135583), (13, 25488910), (26, 12744455), (65, 5097782), (130, 2548891)]