217921723487

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3209}}^1\times {\mathrm{307283}}^1$

素因数の和:310522

約数の個数: 16

約数和(自身を含む): 248568173280

約数和(自身を除く): 30646449793

約数列:

[1, 13, 17, 221, 3209, 41717, 54553, 307283, 709189, 3994679, 5223811, 67909543, 986071147, 12818924911, 16763209499, 217921723487]

約数ペア:

[(1, 217921723487), (13, 16763209499), (17, 12818924911), (221, 986071147), (3209, 67909543), (41717, 5223811), (54553, 3994679), (307283, 709189)]