256435316

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{839}}^1\times {\mathrm{1777}}^1$

素因数の和:2663

約数の個数: 24

約数和(自身を含む): 460004160

約数和(自身を除く): 203568844

約数列:

[1, 2, 4, 43, 86, 172, 839, 1678, 1777, 3356, 3554, 7108, 36077, 72154, 76411, 144308, 152822, 305644, 1490903, 2981806, 5963612, 64108829, 128217658, 256435316]

約数ペア:

[(1, 256435316), (2, 128217658), (4, 64108829), (43, 5963612), (86, 2981806), (172, 1490903), (839, 305644), (1678, 152822), (1777, 144308), (3356, 76411), (3554, 72154), (7108, 36077)]