81611518

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{7873}}^1$

素因数の和:8019

約数の個数: 16

約数和(自身を含む): 125858016

約数和(自身を除く): 44246498

約数列:

[1, 2, 71, 73, 142, 146, 5183, 7873, 10366, 15746, 558983, 574729, 1117966, 1149458, 40805759, 81611518]

約数ペア:

[(1, 81611518), (2, 40805759), (71, 1149458), (73, 1117966), (142, 574729), (146, 558983), (5183, 15746), (7873, 10366)]