81004468

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{285227}}^1$

素因数の和:285302

約数の個数: 12

約数和(自身を含む): 143754912

約数和(自身を除く): 62750444

約数列:

[1, 2, 4, 71, 142, 284, 285227, 570454, 1140908, 20251117, 40502234, 81004468]

約数ペア:

[(1, 81004468), (2, 40502234), (4, 20251117), (71, 1140908), (142, 570454), (284, 285227)]