12966128

素因数分解:

$2^4\times 7^1\times {\mathrm{115769}}^1$

素因数の和:115784

約数の個数: 20

約数和(自身を含む): 28710960

約数和(自身を除く): 15744832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 115769, 231538, 463076, 810383, 926152, 1620766, 1852304, 3241532, 6483064, 12966128]

約数ペア:

[(1, 12966128), (2, 6483064), (4, 3241532), (7, 1852304), (8, 1620766), (14, 926152), (16, 810383), (28, 463076), (56, 231538), (112, 115769)]