28742686

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{3881}}^1$

素因数の和:3936

約数の個数: 24

約数和(自身を含む): 51521904

約数和(自身を除く): 22779218

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 529, 1058, 3703, 3881, 7406, 7762, 27167, 54334, 89263, 178526, 624841, 1249682, 2053049, 4106098, 14371343, 28742686]

約数ペア:

[(1, 28742686), (2, 14371343), (7, 4106098), (14, 2053049), (23, 1249682), (46, 624841), (161, 178526), (322, 89263), (529, 54334), (1058, 27167), (3703, 7762), (3881, 7406)]