9191980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{65657}}^1$

素因数の和:65673

約数の個数: 24

約数和(自身を含む): 22061088

約数和(自身を除く): 12869108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 65657, 131314, 262628, 328285, 459599, 656570, 919198, 1313140, 1838396, 2297995, 4595990, 9191980]

約数ペア:

[(1, 9191980), (2, 4595990), (4, 2297995), (5, 1838396), (7, 1313140), (10, 919198), (14, 656570), (20, 459599), (28, 328285), (35, 262628), (70, 131314), (140, 65657)]