28099561

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 33030144

約数和(自身を除く): 4930583

約数列:

[1, 7, 47, 223, 329, 383, 1561, 2681, 10481, 18001, 73367, 85409, 126007, 597863, 4014223, 28099561]

約数ペア:

[(1, 28099561), (7, 4014223), (47, 597863), (223, 126007), (329, 85409), (383, 73367), (1561, 18001), (2681, 10481)]