858401999

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{132859}}^1$

素因数の和:132950

約数の個数: 16

約数和(自身を含む): 1071383040

約数和(自身を除く): 212981041

約数列:

[1, 7, 13, 71, 91, 497, 923, 6461, 132859, 930013, 1727167, 9432989, 12090169, 66030923, 122628857, 858401999]

約数ペア:

[(1, 858401999), (7, 122628857), (13, 66030923), (71, 12090169), (91, 9432989), (497, 1727167), (923, 930013), (6461, 132859)]