85220405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43591}}^1$

素因数の和:43636

約数の個数: 16

約数和(自身を含む): 112990464

約数和(自身を除く): 27770059

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 43591, 217955, 741047, 1002593, 3705235, 5012965, 17044081, 85220405]

約数ペア:

[(1, 85220405), (5, 17044081), (17, 5012965), (23, 3705235), (85, 1002593), (115, 741047), (391, 217955), (1955, 43591)]