64997768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 138283200

約数和(自身を除く): 73285432

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 89, 172, 178, 193, 344, 356, 386, 473, 712, 772, 946, 979, 1544, 1892, 1958, 2123, 3784, 3827, 3916, 4246, 7654, 7832, 8299, 8492, 15308, 16598, 16984, 17177, 30616, 33196, 34354, 42097, 66392, 68708, 84194, 91289, 137416, 168388, 182578, 188947, 336776, 365156, 377894, 730312, 738611, 755788, 1477222, 1511576, 2954444, 5908888, 8124721, 16249442, 32498884, 64997768]

約数ペア:

[(1, 64997768), (2, 32498884), (4, 16249442), (8, 8124721), (11, 5908888), (22, 2954444), (43, 1511576), (44, 1477222), (86, 755788), (88, 738611), (89, 730312), (172, 377894), (178, 365156), (193, 336776), (344, 188947), (356, 182578), (386, 168388), (473, 137416), (712, 91289), (772, 84194), (946, 68708), (979, 66392), (1544, 42097), (1892, 34354), (1958, 33196), (2123, 30616), (3784, 17177), (3827, 16984), (3916, 16598), (4246, 15308), (7654, 8492), (7832, 8299)]