87805984

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5521}}^1$

素因数の和:5609

約数の個数: 48

約数和(自身を含む): 200382336

約数和(自身を除く): 112576352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1988, 2272, 3976, 5521, 7952, 11042, 15904, 22084, 38647, 44168, 77294, 88336, 154588, 176672, 309176, 391991, 618352, 783982, 1236704, 1567964, 2743937, 3135928, 5487874, 6271856, 10975748, 12543712, 21951496, 43902992, 87805984]

約数ペア:

[(1, 87805984), (2, 43902992), (4, 21951496), (7, 12543712), (8, 10975748), (14, 6271856), (16, 5487874), (28, 3135928), (32, 2743937), (56, 1567964), (71, 1236704), (112, 783982), (142, 618352), (224, 391991), (284, 309176), (497, 176672), (568, 154588), (994, 88336), (1136, 77294), (1988, 44168), (2272, 38647), (3976, 22084), (5521, 15904), (7952, 11042)]