421719085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{20759}}^1$

素因数の和:21020

約数の個数: 16

約数和(自身を含む): 538099200

約数和(自身を除く): 116380115

約数列:

[1, 5, 17, 85, 239, 1195, 4063, 20315, 20759, 103795, 352903, 1764515, 4961401, 24807005, 84343817, 421719085]

約数ペア:

[(1, 421719085), (5, 84343817), (17, 24807005), (85, 4961401), (239, 1764515), (1195, 352903), (4063, 103795), (20315, 20759)]