123215728

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{26647}}^1$

素因数の和:26689

約数の個数: 30

約数和(自身を含む): 253609016

約数和(自身を除く): 130393288

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4624, 26647, 53294, 106588, 213176, 426352, 452999, 905998, 1811996, 3623992, 7247984, 7700983, 15401966, 30803932, 61607864, 123215728]

約数ペア:

[(1, 123215728), (2, 61607864), (4, 30803932), (8, 15401966), (16, 7700983), (17, 7247984), (34, 3623992), (68, 1811996), (136, 905998), (272, 452999), (289, 426352), (578, 213176), (1156, 106588), (2312, 53294), (4624, 26647)]