638002805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{8599}}^1$

素因数の和:8705

約数の個数: 32

約数和(自身を含む): 891648000

約数和(自身を除く): 253645195

約数列:

[1, 5, 11, 19, 55, 71, 95, 209, 355, 781, 1045, 1349, 3905, 6745, 8599, 14839, 42995, 74195, 94589, 163381, 472945, 610529, 816905, 1797191, 3052645, 6715819, 8985955, 11600051, 33579095, 58000255, 127600561, 638002805]

約数ペア:

[(1, 638002805), (5, 127600561), (11, 58000255), (19, 33579095), (55, 11600051), (71, 8985955), (95, 6715819), (209, 3052645), (355, 1797191), (781, 816905), (1045, 610529), (1349, 472945), (3905, 163381), (6745, 94589), (8599, 74195), (14839, 42995)]