681569436

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1320871}}^1$

素因数の和:1320921

約数の個数: 24

約数和(自身を含む): 1627314304

約数和(自身を除く): 945744868

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 1320871, 2641742, 3962613, 5283484, 7925226, 15850452, 56797453, 113594906, 170392359, 227189812, 340784718, 681569436]

約数ペア:

[(1, 681569436), (2, 340784718), (3, 227189812), (4, 170392359), (6, 113594906), (12, 56797453), (43, 15850452), (86, 7925226), (129, 5283484), (172, 3962613), (258, 2641742), (516, 1320871)]