81831518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{27259}}^1$

素因数の和:27359

約数の個数: 16

約数和(自身を含む): 130848000

約数和(自身を除く): 49016482

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 27259, 54518, 517921, 1035842, 2153461, 4306922, 40915759, 81831518]

約数ペア:

[(1, 81831518), (2, 40915759), (19, 4306922), (38, 2153461), (79, 1035842), (158, 517921), (1501, 54518), (3002, 27259)]