1284745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 1990656

約数和(自身を除く): 705911

約数列:

[1, 5, 7, 11, 35, 47, 55, 71, 77, 235, 329, 355, 385, 497, 517, 781, 1645, 2485, 2585, 3337, 3619, 3905, 5467, 16685, 18095, 23359, 27335, 36707, 116795, 183535, 256949, 1284745]

約数ペア:

[(1, 1284745), (5, 256949), (7, 183535), (11, 116795), (35, 36707), (47, 27335), (55, 23359), (71, 18095), (77, 16685), (235, 5467), (329, 3905), (355, 3619), (385, 3337), (497, 2585), (517, 2485), (781, 1645)]