81066238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{51899}}^1$

素因数の和:51983

約数の個数: 16

約数和(自身を含む): 134524800

約数和(自身を除く): 53458562

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 51899, 103798, 570889, 1141778, 3684829, 7369658, 40533119, 81066238]

約数ペア:

[(1, 81066238), (2, 40533119), (11, 7369658), (22, 3684829), (71, 1141778), (142, 570889), (781, 103798), (1562, 51899)]