28521212

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2099}}^1$

素因数の和:2225

約数の個数: 24

約数和(自身を含む): 51744000

約数和(自身を除く): 23222788

約数列:

[1, 2, 4, 43, 79, 86, 158, 172, 316, 2099, 3397, 4198, 6794, 8396, 13588, 90257, 165821, 180514, 331642, 361028, 663284, 7130303, 14260606, 28521212]

約数ペア:

[(1, 28521212), (2, 14260606), (4, 7130303), (43, 663284), (79, 361028), (86, 331642), (158, 180514), (172, 165821), (316, 90257), (2099, 13588), (3397, 8396), (4198, 6794)]