28357212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181777}}^1$

素因数の和:181797

約数の個数: 24

約数和(自身を含む): 71256976

約数和(自身を除く): 42899764

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 181777, 363554, 545331, 727108, 1090662, 2181324, 2363101, 4726202, 7089303, 9452404, 14178606, 28357212]

約数ペア:

[(1, 28357212), (2, 14178606), (3, 9452404), (4, 7089303), (6, 4726202), (12, 2363101), (13, 2181324), (26, 1090662), (39, 727108), (52, 545331), (78, 363554), (156, 181777)]