40809218

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1\times {\mathrm{499}}^1$

素因数の和:1001

約数の個数: 16

約数和(自身を含む): 62088000

約数和(自身を除く): 21278782

約数列:

[1, 2, 103, 206, 397, 499, 794, 998, 40891, 51397, 81782, 102794, 198103, 396206, 20404609, 40809218]

約数ペア:

[(1, 40809218), (2, 20404609), (103, 396206), (206, 198103), (397, 102794), (499, 81782), (794, 51397), (998, 40891)]