47042989

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 56881440

約数和(自身を除く): 9838451

約数列:

[1, 7, 43, 49, 83, 269, 301, 581, 1883, 2107, 3569, 4067, 11567, 13181, 22327, 24983, 80969, 156289, 174881, 566783, 960061, 1094023, 6720427, 47042989]

約数ペア:

[(1, 47042989), (7, 6720427), (43, 1094023), (49, 960061), (83, 566783), (269, 174881), (301, 156289), (581, 80969), (1883, 24983), (2107, 22327), (3569, 13181), (4067, 11567)]