256064144

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{31319}}^1$

素因数の和:31407

約数の個数: 40

約数和(自身を含む): 574784640

約数和(自身を除く): 318720496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 4088, 8176, 31319, 62638, 125276, 219233, 250552, 438466, 501104, 876932, 1753864, 2286287, 3507728, 4572574, 9145148, 16004009, 18290296, 32008018, 36580592, 64016036, 128032072, 256064144]

約数ペア:

[(1, 256064144), (2, 128032072), (4, 64016036), (7, 36580592), (8, 32008018), (14, 18290296), (16, 16004009), (28, 9145148), (56, 4572574), (73, 3507728), (112, 2286287), (146, 1753864), (292, 876932), (511, 501104), (584, 438466), (1022, 250552), (1168, 219233), (2044, 125276), (4088, 62638), (8176, 31319)]