81355586

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{313}}^1\times {\mathrm{769}}^1$

素因数の和:1110

約数の個数: 24

約数和(自身を含む): 132737220

約数和(自身を除く): 51381634

約数列:

[1, 2, 13, 26, 169, 313, 338, 626, 769, 1538, 4069, 8138, 9997, 19994, 52897, 105794, 129961, 240697, 259922, 481394, 3129061, 6258122, 40677793, 81355586]

約数ペア:

[(1, 81355586), (2, 40677793), (13, 6258122), (26, 3129061), (169, 481394), (313, 259922), (338, 240697), (626, 129961), (769, 105794), (1538, 52897), (4069, 19994), (8138, 9997)]