201917704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 413780400

約数和(自身を除く): 211862696

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 109, 136, 212, 218, 257, 424, 436, 514, 872, 901, 1028, 1802, 1853, 2056, 3604, 3706, 4369, 5777, 7208, 7412, 8738, 11554, 13621, 14824, 17476, 23108, 27242, 28013, 34952, 46216, 54484, 56026, 98209, 108968, 112052, 196418, 224104, 231557, 392836, 463114, 476221, 785672, 926228, 952442, 1484689, 1852456, 1904884, 2969378, 3809768, 5938756, 11877512, 25239713, 50479426, 100958852, 201917704]

約数ペア:

[(1, 201917704), (2, 100958852), (4, 50479426), (8, 25239713), (17, 11877512), (34, 5938756), (53, 3809768), (68, 2969378), (106, 1904884), (109, 1852456), (136, 1484689), (212, 952442), (218, 926228), (257, 785672), (424, 476221), (436, 463114), (514, 392836), (872, 231557), (901, 224104), (1028, 196418), (1802, 112052), (1853, 108968), (2056, 98209), (3604, 56026), (3706, 54484), (4369, 46216), (5777, 34952), (7208, 28013), (7412, 27242), (8738, 23108), (11554, 17476), (13621, 14824)]