254395232

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:668

約数の個数: 96

約数和(自身を含む): 620928000

約数和(自身を除く): 366532768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 199, 208, 224, 364, 398, 416, 439, 728, 796, 878, 1393, 1456, 1592, 1756, 2587, 2786, 2912, 3073, 3184, 3512, 5174, 5572, 5707, 6146, 6368, 7024, 10348, 11144, 11414, 12292, 14048, 18109, 20696, 22288, 22828, 24584, 36218, 39949, 41392, 44576, 45656, 49168, 72436, 79898, 82784, 87361, 91312, 98336, 144872, 159796, 174722, 182624, 289744, 319592, 349444, 579488, 611527, 639184, 698888, 1135693, 1223054, 1278368, 1397776, 2271386, 2446108, 2795552, 4542772, 4892216, 7949851, 9085544, 9784432, 15899702, 18171088, 19568864, 31799404, 36342176, 63598808, 127197616, 254395232]

約数ペア:

[(1, 254395232), (2, 127197616), (4, 63598808), (7, 36342176), (8, 31799404), (13, 19568864), (14, 18171088), (16, 15899702), (26, 9784432), (28, 9085544), (32, 7949851), (52, 4892216), (56, 4542772), (91, 2795552), (104, 2446108), (112, 2271386), (182, 1397776), (199, 1278368), (208, 1223054), (224, 1135693), (364, 698888), (398, 639184), (416, 611527), (439, 579488), (728, 349444), (796, 319592), (878, 289744), (1393, 182624), (1456, 174722), (1592, 159796), (1756, 144872), (2587, 98336), (2786, 91312), (2912, 87361), (3073, 82784), (3184, 79898), (3512, 72436), (5174, 49168), (5572, 45656), (5707, 44576), (6146, 41392), (6368, 39949), (7024, 36218), (10348, 24584), (11144, 22828), (11414, 22288), (12292, 20696), (14048, 18109)]