256634774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{67429}}^1$

素因数の和:67615

約数の個数: 16

約数和(自身を含む): 422381520

約数和(自身を除く): 165746746

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 67429, 134858, 741719, 1483438, 11665217, 23330434, 128317387, 256634774]

約数ペア:

[(1, 256634774), (2, 128317387), (11, 23330434), (22, 11665217), (173, 1483438), (346, 741719), (1903, 134858), (3806, 67429)]