1285666722

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^2\times {\mathrm{4723}}^1$

素因数の和:4876

約数の個数: 48

約数和(自身を含む): 2898457440

約数和(自身を除く): 1612790718

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 4723, 5041, 9446, 10082, 14169, 15123, 28338, 30246, 42507, 45369, 85014, 90738, 127521, 136107, 255042, 272214, 335333, 670666, 1005999, 2011998, 3017997, 6035994, 9053991, 18107982, 23808643, 47617286, 71425929, 142851858, 214277787, 428555574, 642833361, 1285666722]

約数ペア:

[(1, 1285666722), (2, 642833361), (3, 428555574), (6, 214277787), (9, 142851858), (18, 71425929), (27, 47617286), (54, 23808643), (71, 18107982), (142, 9053991), (213, 6035994), (426, 3017997), (639, 2011998), (1278, 1005999), (1917, 670666), (3834, 335333), (4723, 272214), (5041, 255042), (9446, 136107), (10082, 127521), (14169, 90738), (15123, 85014), (28338, 45369), (30246, 42507)]