81128186

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^2\times {\mathrm{271}}^1$

素因数の和:434

約数の個数: 24

約数和(自身を含む): 127136064

約数和(自身を除く): 46007878

約数列:

[1, 2, 43, 59, 86, 118, 271, 542, 2537, 3481, 5074, 6962, 11653, 15989, 23306, 31978, 149683, 299366, 687527, 943351, 1375054, 1886702, 40564093, 81128186]

約数ペア:

[(1, 81128186), (2, 40564093), (43, 1886702), (59, 1375054), (86, 943351), (118, 687527), (271, 299366), (542, 149683), (2537, 31978), (3481, 23306), (5074, 15989), (6962, 11653)]