219921719

素因数分解:

${\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 232003584

約数和(自身を除く): 12081865

約数列:

[1, 31, 71, 163, 613, 2201, 5053, 11573, 19003, 43523, 99919, 358763, 1349213, 3097489, 7094249, 219921719]

約数ペア:

[(1, 219921719), (31, 7094249), (71, 3097489), (163, 1349213), (613, 358763), (2201, 99919), (5053, 43523), (11573, 19003)]