209408087

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{2593}}^1$

素因数の和:2822

約数の個数: 16

約数和(自身を含む): 244043520

約数和(自身を除く): 34635433

約数列:

[1, 7, 83, 139, 581, 973, 2593, 11537, 18151, 80759, 215219, 360427, 1506533, 2522989, 29915441, 209408087]

約数ペア:

[(1, 209408087), (7, 29915441), (83, 2522989), (139, 1506533), (581, 360427), (973, 215219), (2593, 80759), (11537, 18151)]