257688072

素因数分解:

$2^3\times 3^2\times {\mathrm{1123}}^1\times {\mathrm{3187}}^1$

素因数の和:4322

約数の個数: 48

約数和(自身を含む): 698745840

約数和(自身を除く): 441057768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1123, 2246, 3187, 3369, 4492, 6374, 6738, 8984, 9561, 10107, 12748, 13476, 19122, 20214, 25496, 26952, 28683, 38244, 40428, 57366, 76488, 80856, 114732, 229464, 3579001, 7158002, 10737003, 14316004, 21474006, 28632008, 32211009, 42948012, 64422018, 85896024, 128844036, 257688072]

約数ペア:

[(1, 257688072), (2, 128844036), (3, 85896024), (4, 64422018), (6, 42948012), (8, 32211009), (9, 28632008), (12, 21474006), (18, 14316004), (24, 10737003), (36, 7158002), (72, 3579001), (1123, 229464), (2246, 114732), (3187, 80856), (3369, 76488), (4492, 57366), (6374, 40428), (6738, 38244), (8984, 28683), (9561, 26952), (10107, 25496), (12748, 20214), (13476, 19122)]