1997203411

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{38603}}^1$

素因数の和:39018

約数の個数: 16

約数和(自身を含む): 2408889600

約数和(自身を除く): 411686189

約数列:

[1, 7, 19, 133, 389, 2723, 7391, 38603, 51737, 270221, 733457, 5134199, 15016567, 105115969, 285314773, 1997203411]

約数ペア:

[(1, 1997203411), (7, 285314773), (19, 105115969), (133, 15016567), (389, 5134199), (2723, 733457), (7391, 270221), (38603, 51737)]