81418036

素因数分解:

$2^2\times 7^1\times {\mathrm{1459}}^1\times {\mathrm{1993}}^1$

素因数の和:3463

約数の個数: 24

約数和(自身を含む): 163029440

約数和(自身を除く): 81611404

約数列:

[1, 2, 4, 7, 14, 28, 1459, 1993, 2918, 3986, 5836, 7972, 10213, 13951, 20426, 27902, 40852, 55804, 2907787, 5815574, 11631148, 20354509, 40709018, 81418036]

約数ペア:

[(1, 81418036), (2, 40709018), (4, 20354509), (7, 11631148), (14, 5815574), (28, 2907787), (1459, 55804), (1993, 40852), (2918, 27902), (3986, 20426), (5836, 13951), (7972, 10213)]