47961991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 62816256

約数和(自身を除く): 14854265

約数列:

[1, 7, 11, 31, 71, 77, 217, 283, 341, 497, 781, 1981, 2201, 2387, 3113, 5467, 8773, 15407, 20093, 21791, 24211, 61411, 96503, 140651, 169477, 221023, 622883, 675521, 1547161, 4360181, 6851713, 47961991]

約数ペア:

[(1, 47961991), (7, 6851713), (11, 4360181), (31, 1547161), (71, 675521), (77, 622883), (217, 221023), (283, 169477), (341, 140651), (497, 96503), (781, 61411), (1981, 24211), (2201, 21791), (2387, 20093), (3113, 15407), (5467, 8773)]