209250586

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{20047}}^1$

素因数の和:20373

約数の個数: 16

約数和(自身を含む): 333438336

約数和(自身を除く): 124187750

約数列:

[1, 2, 17, 34, 307, 614, 5219, 10438, 20047, 40094, 340799, 681598, 6154429, 12308858, 104625293, 209250586]

約数ペア:

[(1, 209250586), (2, 104625293), (17, 12308858), (34, 6154429), (307, 681598), (614, 340799), (5219, 40094), (10438, 20047)]