28140828

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{16871}}^1$

素因数の和:17017

約数の個数: 24

約数和(自身を含む): 66138240

約数和(自身を除く): 37997412

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 16871, 33742, 50613, 67484, 101226, 202452, 2345069, 4690138, 7035207, 9380276, 14070414, 28140828]

約数ペア:

[(1, 28140828), (2, 14070414), (3, 9380276), (4, 7035207), (6, 4690138), (12, 2345069), (139, 202452), (278, 101226), (417, 67484), (556, 50613), (834, 33742), (1668, 16871)]