12885719

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2357}}^1$

素因数の和:2446

約数の個数: 16

約数和(自身を含む): 16298496

約数和(自身を除く): 3412777

約数列:

[1, 7, 11, 71, 77, 497, 781, 2357, 5467, 16499, 25927, 167347, 181489, 1171429, 1840817, 12885719]

約数ペア:

[(1, 12885719), (7, 1840817), (11, 1171429), (71, 181489), (77, 167347), (497, 25927), (781, 16499), (2357, 5467)]