4128656

素因数分解:

$2^4\times 7^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 9237504

約数和(自身を除く): 5108848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191, 193, 382, 386, 764, 772, 1337, 1351, 1528, 1544, 2674, 2702, 3056, 3088, 5348, 5404, 10696, 10808, 21392, 21616, 36863, 73726, 147452, 258041, 294904, 516082, 589808, 1032164, 2064328, 4128656]

約数ペア:

[(1, 4128656), (2, 2064328), (4, 1032164), (7, 589808), (8, 516082), (14, 294904), (16, 258041), (28, 147452), (56, 73726), (112, 36863), (191, 21616), (193, 21392), (382, 10808), (386, 10696), (764, 5404), (772, 5348), (1337, 3088), (1351, 3056), (1528, 2702), (1544, 2674)]