81235999

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{311}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 89316864

約数和(自身を除く): 8080865

約数列:

[1, 13, 71, 283, 311, 923, 3679, 4043, 20093, 22081, 88013, 261209, 287053, 1144169, 6248923, 81235999]

約数ペア:

[(1, 81235999), (13, 6248923), (71, 1144169), (283, 287053), (311, 261209), (923, 88013), (3679, 22081), (4043, 20093)]