188613620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{725437}}^1$

素因数の和:725459

約数の個数: 24

約数和(自身を含む): 426557544

約数和(自身を除く): 237943924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 725437, 1450874, 2901748, 3627185, 7254370, 9430681, 14508740, 18861362, 37722724, 47153405, 94306810, 188613620]

約数ペア:

[(1, 188613620), (2, 94306810), (4, 47153405), (5, 37722724), (10, 18861362), (13, 14508740), (20, 9430681), (26, 7254370), (52, 3627185), (65, 2901748), (130, 1450874), (260, 725437)]