280521775

素因数分解:

$5^2\times {\mathrm{2671}}^1\times {\mathrm{4201}}^1$

素因数の和:6882

約数の個数: 12

約数和(自身を含む): 348060064

約数和(自身を除く): 67538289

約数列:

[1, 5, 25, 2671, 4201, 13355, 21005, 66775, 105025, 11220871, 56104355, 280521775]

約数ペア:

[(1, 280521775), (5, 56104355), (25, 11220871), (2671, 105025), (4201, 66775), (13355, 21005)]