231433540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{890129}}^1$

素因数の和:890151

約数の個数: 24

約数和(自身を含む): 523396440

約数和(自身を除く): 291962900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 890129, 1780258, 3560516, 4450645, 8901290, 11571677, 17802580, 23143354, 46286708, 57858385, 115716770, 231433540]

約数ペア:

[(1, 231433540), (2, 115716770), (4, 57858385), (5, 46286708), (10, 23143354), (13, 17802580), (20, 11571677), (26, 8901290), (52, 4450645), (65, 3560516), (130, 1780258), (260, 890129)]