128575496

素因数分解:

$2^3\times 7^1\times {\mathrm{571}}^1\times {\mathrm{4021}}^1$

素因数の和:4605

約数の個数: 32

約数和(自身を含む): 276070080

約数和(自身を除く): 147494584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 571, 1142, 2284, 3997, 4021, 4568, 7994, 8042, 15988, 16084, 28147, 31976, 32168, 56294, 112588, 225176, 2295991, 4591982, 9183964, 16071937, 18367928, 32143874, 64287748, 128575496]

約数ペア:

[(1, 128575496), (2, 64287748), (4, 32143874), (7, 18367928), (8, 16071937), (14, 9183964), (28, 4591982), (56, 2295991), (571, 225176), (1142, 112588), (2284, 56294), (3997, 32168), (4021, 31976), (4568, 28147), (7994, 16084), (8042, 15988)]