81256214

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{311}}^1\times {\mathrm{773}}^1$

素因数の和:1112

約数の個数: 24

約数和(自身を含む): 132576912

約数和(自身を除く): 51320698

約数列:

[1, 2, 13, 26, 169, 311, 338, 622, 773, 1546, 4043, 8086, 10049, 20098, 52559, 105118, 130637, 240403, 261274, 480806, 3125239, 6250478, 40628107, 81256214]

約数ペア:

[(1, 81256214), (2, 40628107), (13, 6250478), (26, 3125239), (169, 480806), (311, 261274), (338, 240403), (622, 130637), (773, 105118), (1546, 52559), (4043, 20098), (8086, 10049)]