209432812

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{489329}}^1$

素因数の和:489440

約数の個数: 12

約数和(自身を含む): 369933480

約数和(自身を除く): 160500668

約数列:

[1, 2, 4, 107, 214, 428, 489329, 978658, 1957316, 52358203, 104716406, 209432812]

約数ペア:

[(1, 209432812), (2, 104716406), (4, 52358203), (107, 1957316), (214, 978658), (428, 489329)]