231461620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{890237}}^1$

素因数の和:890259

約数の個数: 24

約数和(自身を含む): 523459944

約数和(自身を除く): 291998324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 890237, 1780474, 3560948, 4451185, 8902370, 11573081, 17804740, 23146162, 46292324, 57865405, 115730810, 231461620]

約数ペア:

[(1, 231461620), (2, 115730810), (4, 57865405), (5, 46292324), (10, 23146162), (13, 17804740), (20, 11573081), (26, 8902370), (52, 4451185), (65, 3560948), (130, 1780474), (260, 890237)]