123729905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{28411}}^1$

素因数の和:28496

約数の個数: 16

約数和(自身を含む): 162289344

約数和(自身を除く): 38559439

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 28411, 142055, 369343, 1846715, 1903537, 9517685, 24745981, 123729905]

約数ペア:

[(1, 123729905), (5, 24745981), (13, 9517685), (65, 1903537), (67, 1846715), (335, 369343), (871, 142055), (4355, 28411)]