128271161

素因数分解:

${\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 136442880

約数和(自身を除く): 8171719

約数列:

[1, 23, 89, 223, 281, 2047, 5129, 6463, 19847, 25009, 62663, 456481, 575207, 1441249, 5577007, 128271161]

約数ペア:

[(1, 128271161), (23, 5577007), (89, 1441249), (223, 575207), (281, 456481), (2047, 62663), (5129, 25009), (6463, 19847)]