80821444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{8237}}^1$

素因数の和:8475

約数の個数: 24

約数和(自身を含む): 155006208

約数和(自身を除く): 74184764

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 2453, 4906, 8237, 9812, 16474, 32948, 90607, 181214, 362428, 1836851, 3673702, 7347404, 20205361, 40410722, 80821444]

約数ペア:

[(1, 80821444), (2, 40410722), (4, 20205361), (11, 7347404), (22, 3673702), (44, 1836851), (223, 362428), (446, 181214), (892, 90607), (2453, 32948), (4906, 16474), (8237, 9812)]