257691002

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{1069}}^1\times {\mathrm{2803}}^1$

素因数の和:3917

約数の個数: 16

約数和(自身を含む): 396036960

約数和(自身を除く): 138345958

約数列:

[1, 2, 43, 86, 1069, 2138, 2803, 5606, 45967, 91934, 120529, 241058, 2996407, 5992814, 128845501, 257691002]

約数ペア:

[(1, 257691002), (2, 128845501), (43, 5992814), (86, 2996407), (1069, 241058), (2138, 120529), (2803, 91934), (5606, 45967)]