318526564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{21061}}^1$

素因数の和:21283

約数の個数: 24

約数和(自身を含む): 589736000

約数和(自身を除く): 271209436

約数列:

[1, 2, 4, 19, 38, 76, 199, 398, 796, 3781, 7562, 15124, 21061, 42122, 84244, 400159, 800318, 1600636, 4191139, 8382278, 16764556, 79631641, 159263282, 318526564]

約数ペア:

[(1, 318526564), (2, 159263282), (4, 79631641), (19, 16764556), (38, 8382278), (76, 4191139), (199, 1600636), (398, 800318), (796, 400159), (3781, 84244), (7562, 42122), (15124, 21061)]