280914842

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{831109}}^1$

素因数の和:831137

約数の個数: 12

約数和(自身を含む): 456279390

約数和(自身を除く): 175364548

約数列:

[1, 2, 13, 26, 169, 338, 831109, 1662218, 10804417, 21608834, 140457421, 280914842]

約数ペア:

[(1, 280914842), (2, 140457421), (13, 21608834), (26, 10804417), (169, 1662218), (338, 831109)]