389621452

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 778807568

約数和(自身を除く): 389186116

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 97, 121, 172, 193, 194, 242, 386, 388, 473, 484, 772, 946, 1067, 1892, 2123, 2134, 4171, 4246, 4268, 5203, 8299, 8342, 8492, 10406, 11737, 16598, 16684, 18721, 20812, 23353, 23474, 33196, 37442, 45881, 46706, 46948, 74884, 91289, 91762, 93412, 182578, 183524, 205931, 365156, 411862, 504691, 805003, 823724, 1004179, 1009382, 1610006, 2008358, 2018764, 2265241, 3220012, 4016716, 4530482, 8855033, 9060964, 17710066, 35420132, 97405363, 194810726, 389621452]

約数ペア:

[(1, 389621452), (2, 194810726), (4, 97405363), (11, 35420132), (22, 17710066), (43, 9060964), (44, 8855033), (86, 4530482), (97, 4016716), (121, 3220012), (172, 2265241), (193, 2018764), (194, 2008358), (242, 1610006), (386, 1009382), (388, 1004179), (473, 823724), (484, 805003), (772, 504691), (946, 411862), (1067, 365156), (1892, 205931), (2123, 183524), (2134, 182578), (4171, 93412), (4246, 91762), (4268, 91289), (5203, 74884), (8299, 46948), (8342, 46706), (8492, 45881), (10406, 37442), (11737, 33196), (16598, 23474), (16684, 23353), (18721, 20812)]