81713884

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{15121}}^1$

素因数の和:15325

約数の個数: 24

約数和(自身を含む): 164285408

約数和(自身を除く): 82571524

約数列:

[1, 2, 4, 7, 14, 28, 193, 386, 772, 1351, 2702, 5404, 15121, 30242, 60484, 105847, 211694, 423388, 2918353, 5836706, 11673412, 20428471, 40856942, 81713884]

約数ペア:

[(1, 81713884), (2, 40856942), (4, 20428471), (7, 11673412), (14, 5836706), (28, 2918353), (193, 423388), (386, 211694), (772, 105847), (1351, 60484), (2702, 30242), (5404, 15121)]