28742924

素因数分解:

$2^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1553}}^1$

素因数の和:2225

約数の個数: 24

約数和(自身を含む): 57609888

約数和(自身を除く): 28866964

約数列:

[1, 2, 4, 7, 14, 28, 661, 1322, 1553, 2644, 3106, 4627, 6212, 9254, 10871, 18508, 21742, 43484, 1026533, 2053066, 4106132, 7185731, 14371462, 28742924]

約数ペア:

[(1, 28742924), (2, 14371462), (4, 7185731), (7, 4106132), (14, 2053066), (28, 1026533), (661, 43484), (1322, 21742), (1553, 18508), (2644, 10871), (3106, 9254), (4627, 6212)]