219319295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{198479}}^1$

素因数の和:198514

約数の個数: 16

約数和(自身を含む): 300101760

約数和(自身を除く): 80782465

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 198479, 992395, 2580227, 3374143, 12901135, 16870715, 43863859, 219319295]

約数ペア:

[(1, 219319295), (5, 43863859), (13, 16870715), (17, 12901135), (65, 3374143), (85, 2580227), (221, 992395), (1105, 198479)]