81266605

素因数分解:

$5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{8263}}^1$

素因数の和:8556

約数の個数: 16

約数和(自身を含む): 111861504

約数和(自身を除く): 30594899

約数列:

[1, 5, 7, 35, 281, 1405, 1967, 8263, 9835, 41315, 57841, 289205, 2321903, 11609515, 16253321, 81266605]

約数ペア:

[(1, 81266605), (5, 16253321), (7, 11609515), (35, 2321903), (281, 289205), (1405, 57841), (1967, 41315), (8263, 9835)]