128791421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{10831}}^1$

素因数の和:10912

約数の個数: 16

約数和(自身を含む): 149741568

約数和(自身を除く): 20950147

約数列:

[1, 11, 23, 47, 253, 517, 1081, 10831, 11891, 119141, 249113, 509057, 2740243, 5599627, 11708311, 128791421]

約数ペア:

[(1, 128791421), (11, 11708311), (23, 5599627), (47, 2740243), (253, 509057), (517, 249113), (1081, 119141), (10831, 11891)]