28386155

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{11423}}^1$

素因数の和:11506

約数の個数: 16

約数和(自身を含む): 39481344

約数和(自身を除く): 11095189

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 11423, 57115, 79961, 399805, 811033, 4055165, 5677231, 28386155]

約数ペア:

[(1, 28386155), (5, 5677231), (7, 4055165), (35, 811033), (71, 399805), (355, 79961), (497, 57115), (2485, 11423)]