128740073

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{27409}}^1$

素因数の和:27488

約数の個数: 16

約数和(自身を含む): 163144320

約数和(自身を除く): 34404247

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 27409, 191863, 301499, 1671949, 2110493, 11703643, 18391439, 128740073]

約数ペア:

[(1, 128740073), (7, 18391439), (11, 11703643), (61, 2110493), (77, 1671949), (427, 301499), (671, 191863), (4697, 27409)]