270226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 16

約数和(自身を含む): 451008

約数和(自身を除く): 180782

約数列:

[1, 2, 11, 22, 71, 142, 173, 346, 781, 1562, 1903, 3806, 12283, 24566, 135113, 270226]

約数ペア:

[(1, 270226), (2, 135113), (11, 24566), (22, 12283), (71, 3806), (142, 1903), (173, 1562), (346, 781)]