80851988

素因数分解:

$2^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{5881}}^1$

素因数の和:6383

約数の個数: 24

約数和(自身を含む): 162060864

約数和(自身を除く): 81208876

約数列:

[1, 2, 4, 7, 14, 28, 491, 982, 1964, 3437, 5881, 6874, 11762, 13748, 23524, 41167, 82334, 164668, 2887571, 5775142, 11550284, 20212997, 40425994, 80851988]

約数ペア:

[(1, 80851988), (2, 40425994), (4, 20212997), (7, 11550284), (14, 5775142), (28, 2887571), (491, 164668), (982, 82334), (1964, 41167), (3437, 23524), (5881, 13748), (6874, 11762)]