27778828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90191}}^1$

素因数の和:90213

約数の個数: 24

約数和(自身を含む): 60609024

約数和(自身を除く): 32830196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 90191, 180382, 360764, 631337, 992101, 1262674, 1984202, 2525348, 3968404, 6944707, 13889414, 27778828]

約数ペア:

[(1, 27778828), (2, 13889414), (4, 6944707), (7, 3968404), (11, 2525348), (14, 1984202), (22, 1262674), (28, 992101), (44, 631337), (77, 360764), (154, 180382), (308, 90191)]