84061978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 170956800

約数和(自身を除く): 86894822

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 199, 211, 286, 398, 422, 1001, 1393, 1477, 2002, 2189, 2321, 2587, 2743, 2786, 2954, 4378, 4642, 5174, 5486, 15323, 16247, 18109, 19201, 28457, 30173, 30646, 32494, 36218, 38402, 41989, 56914, 60346, 83978, 199199, 211211, 293923, 398398, 422422, 461879, 545857, 587846, 923758, 1091714, 3233153, 3820999, 6004427, 6466306, 7641998, 12008854, 42030989, 84061978]

約数ペア:

[(1, 84061978), (2, 42030989), (7, 12008854), (11, 7641998), (13, 6466306), (14, 6004427), (22, 3820999), (26, 3233153), (77, 1091714), (91, 923758), (143, 587846), (154, 545857), (182, 461879), (199, 422422), (211, 398398), (286, 293923), (398, 211211), (422, 199199), (1001, 83978), (1393, 60346), (1477, 56914), (2002, 41989), (2189, 38402), (2321, 36218), (2587, 32494), (2743, 30646), (2786, 30173), (2954, 28457), (4378, 19201), (4642, 18109), (5174, 16247), (5486, 15323)]