128390549

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1\times {\mathrm{1061}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 149869440

約数和(自身を除く): 21478891

約数列:

[1, 7, 59, 293, 413, 1061, 2051, 7427, 17287, 62599, 121009, 310873, 438193, 2176111, 18341507, 128390549]

約数ペア:

[(1, 128390549), (7, 18341507), (59, 2176111), (293, 438193), (413, 310873), (1061, 121009), (2051, 62599), (7427, 17287)]