16687866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{213947}}^1$

素因数の和:213965

約数の個数: 16

約数和(自身を含む): 35943264

約数和(自身を除く): 19255398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 213947, 427894, 641841, 1283682, 2781311, 5562622, 8343933, 16687866]

約数ペア:

[(1, 16687866), (2, 8343933), (3, 5562622), (6, 2781311), (13, 1283682), (26, 641841), (39, 427894), (78, 213947)]