2149481305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{780211}}^1$

素因数の和:780264

約数の個数: 16

約数和(自身を含む): 2808763200

約数和(自身を除く): 659281895

約数列:

[1, 5, 19, 29, 95, 145, 551, 2755, 780211, 3901055, 14824009, 22626119, 74120045, 113130595, 429896261, 2149481305]

約数ペア:

[(1, 2149481305), (5, 429896261), (19, 113130595), (29, 74120045), (95, 22626119), (145, 14824009), (551, 3901055), (2755, 780211)]