208493404

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{33391}}^1$

素因数の和:33625

約数の個数: 24

約数和(自身を含む): 418869248

約数和(自身を除く): 210375844

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 33391, 66782, 133564, 233737, 467474, 934948, 7446193, 14892386, 29784772, 52123351, 104246702, 208493404]

約数ペア:

[(1, 208493404), (2, 104246702), (4, 52123351), (7, 29784772), (14, 14892386), (28, 7446193), (223, 934948), (446, 467474), (892, 233737), (1561, 133564), (3122, 66782), (6244, 33391)]