205725256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{7517}}^1$

素因数の和:7845

約数の個数: 32

約数和(自身を含む): 422210880

約数和(自身を除く): 216485624

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 311, 622, 1244, 2488, 3421, 6842, 7517, 13684, 15034, 27368, 30068, 60136, 82687, 165374, 330748, 661496, 2337787, 4675574, 9351148, 18702296, 25715657, 51431314, 102862628, 205725256]

約数ペア:

[(1, 205725256), (2, 102862628), (4, 51431314), (8, 25715657), (11, 18702296), (22, 9351148), (44, 4675574), (88, 2337787), (311, 661496), (622, 330748), (1244, 165374), (2488, 82687), (3421, 60136), (6842, 30068), (7517, 27368), (13684, 15034)]