209905426

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{324931}}^1$

素因数の和:324969

約数の個数: 16

約数和(自身を含む): 350926560

約数和(自身を除く): 141021134

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 324931, 649862, 5523827, 6173689, 11047654, 12347378, 104952713, 209905426]

約数ペア:

[(1, 209905426), (2, 104952713), (17, 12347378), (19, 11047654), (34, 6173689), (38, 5523827), (323, 649862), (646, 324931)]