78404906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 127008000

約数和(自身を除く): 48603094

約数列:

[1, 2, 19, 38, 89, 97, 178, 194, 239, 478, 1691, 1843, 3382, 3686, 4541, 8633, 9082, 17266, 21271, 23183, 42542, 46366, 164027, 328054, 404149, 440477, 808298, 880954, 2063287, 4126574, 39202453, 78404906]

約数ペア:

[(1, 78404906), (2, 39202453), (19, 4126574), (38, 2063287), (89, 880954), (97, 808298), (178, 440477), (194, 404149), (239, 328054), (478, 164027), (1691, 46366), (1843, 42542), (3382, 23183), (3686, 21271), (4541, 17266), (8633, 9082)]