258822726

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 553512960

約数和(自身を除く): 294690234

約数列:

[1, 2, 3, 6, 23, 46, 69, 103, 131, 138, 139, 206, 262, 278, 309, 393, 417, 618, 786, 834, 2369, 3013, 3197, 4738, 6026, 6394, 7107, 9039, 9591, 13493, 14214, 14317, 18078, 18209, 19182, 26986, 28634, 36418, 40479, 42951, 54627, 80958, 85902, 109254, 310339, 329291, 418807, 620678, 658582, 837614, 931017, 987873, 1256421, 1862034, 1875527, 1975746, 2512842, 3751054, 5626581, 11253162, 43137121, 86274242, 129411363, 258822726]

約数ペア:

[(1, 258822726), (2, 129411363), (3, 86274242), (6, 43137121), (23, 11253162), (46, 5626581), (69, 3751054), (103, 2512842), (131, 1975746), (138, 1875527), (139, 1862034), (206, 1256421), (262, 987873), (278, 931017), (309, 837614), (393, 658582), (417, 620678), (618, 418807), (786, 329291), (834, 310339), (2369, 109254), (3013, 85902), (3197, 80958), (4738, 54627), (6026, 42951), (6394, 40479), (7107, 36418), (9039, 28634), (9591, 26986), (13493, 19182), (14214, 18209), (14317, 18078)]