201639205

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1\times {\mathrm{809}}^1$

素因数の和:1524

約数の個数: 16

約数和(自身を含む): 245721600

約数和(自身を除く): 44082395

約数列:

[1, 5, 79, 395, 631, 809, 3155, 4045, 49849, 63911, 249245, 319555, 510479, 2552395, 40327841, 201639205]

約数ペア:

[(1, 201639205), (5, 40327841), (79, 2552395), (395, 510479), (631, 319555), (809, 249245), (3155, 63911), (4045, 49849)]