81201872

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{47431}}^1$

素因数の和:47546

約数の個数: 20

約数和(自身を含む): 158802336

約数和(自身を除く): 77600464

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 47431, 94862, 189724, 379448, 758896, 5075117, 10150234, 20300468, 40600936, 81201872]

約数ペア:

[(1, 81201872), (2, 40600936), (4, 20300468), (8, 10150234), (16, 5075117), (107, 758896), (214, 379448), (428, 189724), (856, 94862), (1712, 47431)]