39886628

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{5393}}^1$

素因数の和:5483

約数の個数: 18

約数和(自身を含む): 71475894

約数和(自身を除く): 31589266

約数列:

[1, 2, 4, 43, 86, 172, 1849, 3698, 5393, 7396, 10786, 21572, 231899, 463798, 927596, 9971657, 19943314, 39886628]

約数ペア:

[(1, 39886628), (2, 19943314), (4, 9971657), (43, 927596), (86, 463798), (172, 231899), (1849, 21572), (3698, 10786), (5393, 7396)]