28455490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{406507}}^1$

素因数の和:406521

約数の個数: 16

約数和(自身を含む): 58537152

約数和(自身を除く): 30081662

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 406507, 813014, 2032535, 2845549, 4065070, 5691098, 14227745, 28455490]

約数ペア:

[(1, 28455490), (2, 14227745), (5, 5691098), (7, 4065070), (10, 2845549), (14, 2032535), (35, 813014), (70, 406507)]