81361028

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{126337}}^1$

素因数の和:126371

約数の個数: 24

約数和(自身を含む): 169798272

約数和(自身を除く): 88437244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 126337, 252674, 505348, 884359, 1768718, 2905751, 3537436, 5811502, 11623004, 20340257, 40680514, 81361028]

約数ペア:

[(1, 81361028), (2, 40680514), (4, 20340257), (7, 11623004), (14, 5811502), (23, 3537436), (28, 2905751), (46, 1768718), (92, 884359), (161, 505348), (322, 252674), (644, 126337)]