28810390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{411577}}^1$

素因数の和:411591

約数の個数: 16

約数和(自身を含む): 59267232

約数和(自身を除く): 30456842

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 411577, 823154, 2057885, 2881039, 4115770, 5762078, 14405195, 28810390]

約数ペア:

[(1, 28810390), (2, 14405195), (5, 5762078), (7, 4115770), (10, 2881039), (14, 2057885), (35, 823154), (70, 411577)]