28610285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{809}}^1$

素因数の和:1468

約数の個数: 16

約数和(自身を含む): 37558080

約数和(自身を除く): 8947795

約数列:

[1, 5, 11, 55, 643, 809, 3215, 4045, 7073, 8899, 35365, 44495, 520187, 2600935, 5722057, 28610285]

約数ペア:

[(1, 28610285), (5, 5722057), (11, 2600935), (55, 520187), (643, 44495), (809, 35365), (3215, 8899), (4045, 7073)]