28561778

素因数分解:

$2^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{3361}}^1$

素因数の和:3977

約数の個数: 16

約数和(自身を含む): 49058304

約数和(自身を除く): 20496526

約数列:

[1, 2, 7, 14, 607, 1214, 3361, 4249, 6722, 8498, 23527, 47054, 2040127, 4080254, 14280889, 28561778]

約数ペア:

[(1, 28561778), (2, 14280889), (7, 4080254), (14, 2040127), (607, 47054), (1214, 23527), (3361, 8498), (4249, 6722)]