12866812

素因数分解:

$2^2\times 7^2\times {\mathrm{65647}}^1$

素因数の和:65665

約数の個数: 18

約数和(自身を含む): 26193552

約数和(自身を除く): 13326740

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 65647, 131294, 262588, 459529, 919058, 1838116, 3216703, 6433406, 12866812]

約数ペア:

[(1, 12866812), (2, 6433406), (4, 3216703), (7, 1838116), (14, 919058), (28, 459529), (49, 262588), (98, 131294), (196, 65647)]