208534256

素因数分解:

$2^4\times 7^1\times {\mathrm{1861913}}^1$

素因数の和:1861928

約数の個数: 20

約数和(自身を含む): 461754672

約数和(自身を除く): 253220416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1861913, 3723826, 7447652, 13033391, 14895304, 26066782, 29790608, 52133564, 104267128, 208534256]

約数ペア:

[(1, 208534256), (2, 104267128), (4, 52133564), (7, 29790608), (8, 26066782), (14, 14895304), (16, 13033391), (28, 7447652), (56, 3723826), (112, 1861913)]