81946488

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{262649}}^1$

素因数の和:262671

約数の個数: 32

約数和(自身を含む): 220626000

約数和(自身を除く): 138679512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 262649, 525298, 787947, 1050596, 1575894, 2101192, 3151788, 3414437, 6303576, 6828874, 10243311, 13657748, 20486622, 27315496, 40973244, 81946488]

約数ペア:

[(1, 81946488), (2, 40973244), (3, 27315496), (4, 20486622), (6, 13657748), (8, 10243311), (12, 6828874), (13, 6303576), (24, 3414437), (26, 3151788), (39, 2101192), (52, 1575894), (78, 1050596), (104, 787947), (156, 525298), (312, 262649)]