81399248

素因数分解:

$2^4\times 7^1\times {\mathrm{726779}}^1$

素因数の和:726794

約数の個数: 20

約数和(自身を含む): 180241440

約数和(自身を除く): 98842192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 726779, 1453558, 2907116, 5087453, 5814232, 10174906, 11628464, 20349812, 40699624, 81399248]

約数ペア:

[(1, 81399248), (2, 40699624), (4, 20349812), (7, 11628464), (8, 10174906), (14, 5814232), (16, 5087453), (28, 2907116), (56, 1453558), (112, 726779)]