257097146

素因数分解:

$2^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1\times {\mathrm{2243}}^1$

素因数の和:2725

約数の個数: 16

約数和(自身を含む): 389055744

約数和(自身を除く): 131958598

約数列:

[1, 2, 223, 257, 446, 514, 2243, 4486, 57311, 114622, 500189, 576451, 1000378, 1152902, 128548573, 257097146]

約数ペア:

[(1, 257097146), (2, 128548573), (223, 1152902), (257, 1000378), (446, 576451), (514, 500189), (2243, 114622), (4486, 57311)]