123880658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79309}}^1$

素因数の和:79393

約数の個数: 16

約数和(自身を含む): 205571520

約数和(自身を除く): 81690862

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 79309, 158618, 872399, 1744798, 5630939, 11261878, 61940329, 123880658]

約数ペア:

[(1, 123880658), (2, 61940329), (11, 11261878), (22, 5630939), (71, 1744798), (142, 872399), (781, 158618), (1562, 79309)]