28663790

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{6841}}^1$

素因数の和:7267

約数の個数: 16

約数和(自身を含む): 51725520

約数和(自身を除く): 23061730

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 6841, 13682, 34205, 68410, 2866379, 5732758, 14331895, 28663790]

約数ペア:

[(1, 28663790), (2, 14331895), (5, 5732758), (10, 2866379), (419, 68410), (838, 34205), (2095, 13682), (4190, 6841)]