489242509

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 590240000

約数和(自身を除く): 100997491

約数列:

[1, 7, 49, 61, 67, 343, 349, 427, 469, 2443, 2989, 3283, 4087, 17101, 20923, 21289, 22981, 23383, 28609, 119707, 149023, 163681, 200263, 1043161, 1145767, 1401841, 1426363, 7302127, 8020369, 9984541, 69891787, 489242509]

約数ペア:

[(1, 489242509), (7, 69891787), (49, 9984541), (61, 8020369), (67, 7302127), (343, 1426363), (349, 1401841), (427, 1145767), (469, 1043161), (2443, 200263), (2989, 163681), (3283, 149023), (4087, 119707), (17101, 28609), (20923, 23383), (21289, 22981)]