289091327

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:388

約数の個数: 36

約数和(自身を含む): 362239560

約数和(自身を除く): 73148233

約数列:

[1, 7, 19, 49, 59, 133, 277, 361, 413, 931, 1121, 1939, 2527, 2891, 5263, 7847, 13573, 16343, 17689, 21299, 36841, 54929, 99997, 114401, 149093, 257887, 310517, 699979, 800807, 1043651, 2173619, 4899853, 5899823, 15215333, 41298761, 289091327]

約数ペア:

[(1, 289091327), (7, 41298761), (19, 15215333), (49, 5899823), (59, 4899853), (133, 2173619), (277, 1043651), (361, 800807), (413, 699979), (931, 310517), (1121, 257887), (1939, 149093), (2527, 114401), (2891, 99997), (5263, 54929), (7847, 36841), (13573, 21299), (16343, 17689)]