28239310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{256721}}^1$

素因数の和:256739

約数の個数: 16

約数和(自身を含む): 55451952

約数和(自身を除く): 27212642

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 256721, 513442, 1283605, 2567210, 2823931, 5647862, 14119655, 28239310]

約数ペア:

[(1, 28239310), (2, 14119655), (5, 5647862), (10, 2823931), (11, 2567210), (22, 1283605), (55, 513442), (110, 256721)]