209917054

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{324949}}^1$

素因数の和:324987

約数の個数: 16

約数和(自身を含む): 350946000

約数和(自身を除く): 141028946

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 324949, 649898, 5524133, 6174031, 11048266, 12348062, 104958527, 209917054]

約数ペア:

[(1, 209917054), (2, 104958527), (17, 12348062), (19, 11048266), (34, 6174031), (38, 5524133), (323, 649898), (646, 324949)]