12646256

素因数分解:

$2^4\times 7^1\times {\mathrm{112913}}^1$

素因数の和:112928

約数の個数: 20

約数和(自身を含む): 28002672

約数和(自身を除く): 15356416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 112913, 225826, 451652, 790391, 903304, 1580782, 1806608, 3161564, 6323128, 12646256]

約数ペア:

[(1, 12646256), (2, 6323128), (4, 3161564), (7, 1806608), (8, 1580782), (14, 903304), (16, 790391), (28, 451652), (56, 225826), (112, 112913)]