28386230

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{15683}}^1$

素因数の和:15871

約数の個数: 16

約数和(自身を含む): 51380784

約数和(自身を除く): 22994554

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 15683, 31366, 78415, 156830, 2838623, 5677246, 14193115, 28386230]

約数ペア:

[(1, 28386230), (2, 14193115), (5, 5677246), (10, 2838623), (181, 156830), (362, 78415), (905, 31366), (1810, 15683)]