127431442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{8447}}^1$

素因数の和:8865

約数の個数: 16

約数和(自身を含む): 201738240

約数和(自身を除く): 74306798

約数列:

[1, 2, 19, 38, 397, 794, 7543, 8447, 15086, 16894, 160493, 320986, 3353459, 6706918, 63715721, 127431442]

約数ペア:

[(1, 127431442), (2, 63715721), (19, 6706918), (38, 3353459), (397, 320986), (794, 160493), (7543, 16894), (8447, 15086)]