64591170085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{2543}}^1\times {\mathrm{390763}}^1$

素因数の和:393324

約数の個数: 16

約数和(自身を含む): 83504703744

約数和(自身を除く): 18913533659

約数列:

[1, 5, 13, 65, 2543, 12715, 33059, 165295, 390763, 1953815, 5079919, 25399595, 993710309, 4968551545, 12918234017, 64591170085]

約数ペア:

[(1, 64591170085), (5, 12918234017), (13, 4968551545), (65, 993710309), (2543, 25399595), (12715, 5079919), (33059, 1953815), (165295, 390763)]