208553671

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{1999}}^1$

素因数の和:2071

約数の個数: 18

約数和(自身を含む): 233934000

約数和(自身を除く): 25380329

約数列:

[1, 17, 19, 289, 323, 361, 1999, 5491, 6137, 33983, 37981, 104329, 577711, 645677, 721639, 10976509, 12267863, 208553671]

約数ペア:

[(1, 208553671), (17, 12267863), (19, 10976509), (289, 721639), (323, 645677), (361, 577711), (1999, 104329), (5491, 37981), (6137, 33983)]