12781712

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{1627}}^1$

素因数の和:2126

約数の個数: 20

約数和(自身を含む): 24830256

約数和(自身を除く): 12048544

約数列:

[1, 2, 4, 8, 16, 491, 982, 1627, 1964, 3254, 3928, 6508, 7856, 13016, 26032, 798857, 1597714, 3195428, 6390856, 12781712]

約数ペア:

[(1, 12781712), (2, 6390856), (4, 3195428), (8, 1597714), (16, 798857), (491, 26032), (982, 13016), (1627, 7856), (1964, 6508), (3254, 3928)]