28437964

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1637}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 51459408

約数和(自身を除く): 23021444

約数列:

[1, 2, 4, 43, 86, 101, 172, 202, 404, 1637, 3274, 4343, 6548, 8686, 17372, 70391, 140782, 165337, 281564, 330674, 661348, 7109491, 14218982, 28437964]

約数ペア:

[(1, 28437964), (2, 14218982), (4, 7109491), (43, 661348), (86, 330674), (101, 281564), (172, 165337), (202, 140782), (404, 70391), (1637, 17372), (3274, 8686), (4343, 6548)]