28546628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1009}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 54636960

約数和(自身を除く): 26090332

約数列:

[1, 2, 4, 11, 22, 44, 643, 1009, 1286, 2018, 2572, 4036, 7073, 11099, 14146, 22198, 28292, 44396, 648787, 1297574, 2595148, 7136657, 14273314, 28546628]

約数ペア:

[(1, 28546628), (2, 14273314), (4, 7136657), (11, 2595148), (22, 1297574), (44, 648787), (643, 44396), (1009, 28292), (1286, 22198), (2018, 14146), (2572, 11099), (4036, 7073)]