198534256

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{89269}}^1$

素因数の和:89416

約数の個数: 20

約数和(自身を含む): 387431800

約数和(自身を除く): 188897544

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 89269, 178538, 357076, 714152, 1428304, 12408391, 24816782, 49633564, 99267128, 198534256]

約数ペア:

[(1, 198534256), (2, 99267128), (4, 49633564), (8, 24816782), (16, 12408391), (139, 1428304), (278, 714152), (556, 357076), (1112, 178538), (2224, 89269)]