208144084

素因数分解:

$2^2\times {\mathrm{421}}^1\times {\mathrm{123601}}^1$

素因数の和:124026

約数の個数: 12

約数和(自身を含む): 365120308

約数和(自身を除く): 156976224

約数列:

[1, 2, 4, 421, 842, 1684, 123601, 247202, 494404, 52036021, 104072042, 208144084]

約数ペア:

[(1, 208144084), (2, 104072042), (4, 52036021), (421, 494404), (842, 247202), (1684, 123601)]