256312

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 576000

約数和(自身を除く): 319688

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 199, 322, 398, 644, 796, 1288, 1393, 1592, 2786, 4577, 5572, 9154, 11144, 18308, 32039, 36616, 64078, 128156, 256312]

約数ペア:

[(1, 256312), (2, 128156), (4, 64078), (7, 36616), (8, 32039), (14, 18308), (23, 11144), (28, 9154), (46, 5572), (56, 4577), (92, 2786), (161, 1592), (184, 1393), (199, 1288), (322, 796), (398, 644)]