81611998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{10093}}^1$

素因数の和:10419

約数の個数: 16

約数和(自身を含む): 132271776

約数和(自身を除く): 50659778

約数列:

[1, 2, 13, 26, 311, 622, 4043, 8086, 10093, 20186, 131209, 262418, 3138923, 6277846, 40805999, 81611998]

約数ペア:

[(1, 81611998), (2, 40805999), (13, 6277846), (26, 3138923), (311, 262418), (622, 131209), (4043, 20186), (8086, 10093)]