256506782

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{426091}}^1$

素因数の和:426143

約数の個数: 16

約数和(自身を含む): 449953152

約数和(自身を除く): 193446370

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 426091, 852182, 2982637, 5965274, 18321913, 36643826, 128253391, 256506782]

約数ペア:

[(1, 256506782), (2, 128253391), (7, 36643826), (14, 18321913), (43, 5965274), (86, 2982637), (301, 852182), (602, 426091)]