28557235

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{11177}}^1$

素因数の和:11262

約数の個数: 16

約数和(自身を含む): 39704256

約数和(自身を除く): 11147021

約数列:

[1, 5, 7, 35, 73, 365, 511, 2555, 11177, 55885, 78239, 391195, 815921, 4079605, 5711447, 28557235]

約数ペア:

[(1, 28557235), (5, 5711447), (7, 4079605), (35, 815921), (73, 391195), (365, 78239), (511, 55885), (2555, 11177)]