81539266

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{20173}}^1$

素因数の和:20265

約数の個数: 16

約数和(自身を含む): 127822464

約数和(自身を除く): 46283198

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 20173, 40346, 867439, 948131, 1734878, 1896262, 40769633, 81539266]

約数ペア:

[(1, 81539266), (2, 40769633), (43, 1896262), (47, 1734878), (86, 948131), (94, 867439), (2021, 40346), (4042, 20173)]