81303976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{3271}}^1$

素因数の和:3529

約数の個数: 32

約数和(自身を含む): 164908800

約数和(自身を除く): 83604824

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 956, 1912, 3107, 3271, 6214, 6542, 12428, 13084, 24856, 26168, 42523, 85046, 170092, 340184, 781769, 1563538, 3127076, 6254152, 10162997, 20325994, 40651988, 81303976]

約数ペア:

[(1, 81303976), (2, 40651988), (4, 20325994), (8, 10162997), (13, 6254152), (26, 3127076), (52, 1563538), (104, 781769), (239, 340184), (478, 170092), (956, 85046), (1912, 42523), (3107, 26168), (3271, 24856), (6214, 13084), (6542, 12428)]