257486136

素因数分解:

$2^3\times 3^1\times {\mathrm{10728589}}^1$

素因数の和:10728598

約数の個数: 16

約数和(自身を含む): 643715400

約数和(自身を除く): 386229264

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 10728589, 21457178, 32185767, 42914356, 64371534, 85828712, 128743068, 257486136]

約数ペア:

[(1, 257486136), (2, 128743068), (3, 85828712), (4, 64371534), (6, 42914356), (8, 32185767), (12, 21457178), (24, 10728589)]