28311605

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{11393}}^1$

素因数の和:11476

約数の個数: 16

約数和(自身を含む): 39377664

約数和(自身を除く): 11066059

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 11393, 56965, 79751, 398755, 808903, 4044515, 5662321, 28311605]

約数ペア:

[(1, 28311605), (5, 5662321), (7, 4044515), (35, 808903), (71, 398755), (355, 79751), (497, 56965), (2485, 11393)]