28302659

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 8856253

約数列:

[1, 7, 11, 31, 71, 77, 167, 217, 341, 497, 781, 1169, 1837, 2201, 2387, 5177, 5467, 11857, 12859, 15407, 24211, 36239, 56947, 82999, 130427, 169477, 367567, 398629, 912989, 2572969, 4043237, 28302659]

約数ペア:

[(1, 28302659), (7, 4043237), (11, 2572969), (31, 912989), (71, 398629), (77, 367567), (167, 169477), (217, 130427), (341, 82999), (497, 56947), (781, 36239), (1169, 24211), (1837, 15407), (2201, 12859), (2387, 11857), (5177, 5467)]