290161256

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{471041}}^1$

素因数の和:471065

約数の個数: 32

約数和(自身を含む): 678300480

約数和(自身を除く): 388139224

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 471041, 942082, 1884164, 3297287, 3768328, 5181451, 6594574, 10362902, 13189148, 20725804, 26378296, 36270157, 41451608, 72540314, 145080628, 290161256]

約数ペア:

[(1, 290161256), (2, 145080628), (4, 72540314), (7, 41451608), (8, 36270157), (11, 26378296), (14, 20725804), (22, 13189148), (28, 10362902), (44, 6594574), (56, 5181451), (77, 3768328), (88, 3297287), (154, 1884164), (308, 942082), (616, 471041)]