257130814

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{444863}}^1$

素因数の和:444899

約数の個数: 12

約数和(自身を含む): 409719744

約数和(自身を除く): 152588930

約数列:

[1, 2, 17, 34, 289, 578, 444863, 889726, 7562671, 15125342, 128565407, 257130814]

約数ペア:

[(1, 257130814), (2, 128565407), (17, 15125342), (34, 7562671), (289, 889726), (578, 444863)]