81399086

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{13331}}^1$

素因数の和:13447

約数の個数: 16

約数和(自身を含む): 126707328

約数和(自身を除く): 45308242

約数列:

[1, 2, 43, 71, 86, 142, 3053, 6106, 13331, 26662, 573233, 946501, 1146466, 1893002, 40699543, 81399086]

約数ペア:

[(1, 81399086), (2, 40699543), (43, 1893002), (71, 1146466), (86, 946501), (142, 573233), (3053, 26662), (6106, 13331)]