28211870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{65609}}^1$

素因数の和:65659

約数の個数: 16

約数和(自身を含む): 51963120

約数和(自身を除く): 23751250

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 65609, 131218, 328045, 656090, 2821187, 5642374, 14105935, 28211870]

約数ペア:

[(1, 28211870), (2, 14105935), (5, 5642374), (10, 2821187), (43, 656090), (86, 328045), (215, 131218), (430, 65609)]