27990685

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2244

約数の個数: 16

約数和(自身を含む): 34998912

約数和(自身を除く): 7008227

約数列:

[1, 5, 37, 71, 185, 355, 2131, 2627, 10655, 13135, 78847, 151301, 394235, 756505, 5598137, 27990685]

約数ペア:

[(1, 27990685), (5, 5598137), (37, 756505), (71, 394235), (185, 151301), (355, 78847), (2131, 13135), (2627, 10655)]