209260718

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{323933}}^1$

素因数の和:323971

約数の個数: 16

約数和(自身を含む): 349848720

約数和(自身を除く): 140588002

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 323933, 647866, 5506861, 6154727, 11013722, 12309454, 104630359, 209260718]

約数ペア:

[(1, 209260718), (2, 104630359), (17, 12309454), (19, 11013722), (34, 6154727), (38, 5506861), (323, 647866), (646, 323933)]