128857435

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{24709}}^1$

素因数の和:24870

約数の個数: 16

約数和(自身を含む): 177912000

約数和(自身を除く): 49054565

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 24709, 123545, 172963, 864815, 3681641, 18408205, 25771487, 128857435]

約数ペア:

[(1, 128857435), (5, 25771487), (7, 18408205), (35, 3681641), (149, 864815), (745, 172963), (1043, 123545), (5215, 24709)]