28020041

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{461}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 33855360

約数和(自身を除く): 5835319

約数列:

[1, 7, 19, 133, 457, 461, 3199, 3227, 8683, 8759, 60781, 61313, 210677, 1474739, 4002863, 28020041]

約数ペア:

[(1, 28020041), (7, 4002863), (19, 1474739), (133, 210677), (457, 61313), (461, 60781), (3199, 8759), (3227, 8683)]