211218839

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20857}}^1$

素因数の和:20930

約数の個数: 16

約数和(自身を含む): 245290080

約数和(自身を除く): 34071241

約数列:

[1, 13, 19, 41, 247, 533, 779, 10127, 20857, 271141, 396283, 855137, 5151679, 11116781, 16247603, 211218839]

約数ペア:

[(1, 211218839), (13, 16247603), (19, 11116781), (41, 5151679), (247, 855137), (533, 396283), (779, 271141), (10127, 20857)]