257788234

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1973}}^1\times {\mathrm{5939}}^1$

素因数の和:7925

約数の個数: 16

約数和(自身を含む): 422120160

約数和(自身を除く): 164331926

約数列:

[1, 2, 11, 22, 1973, 3946, 5939, 11878, 21703, 43406, 65329, 130658, 11717647, 23435294, 128894117, 257788234]

約数ペア:

[(1, 257788234), (2, 128894117), (11, 23435294), (22, 11717647), (1973, 130658), (3946, 65329), (5939, 43406), (11878, 21703)]