256441416

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{719}}^1$

素因数の和:939

約数の個数: 128

約数和(自身を含む): 804556800

約数和(自身を除く): 548115384

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 193, 231, 264, 308, 386, 462, 579, 616, 719, 772, 924, 1158, 1351, 1438, 1544, 1848, 2123, 2157, 2316, 2702, 2876, 4053, 4246, 4314, 4632, 5033, 5404, 5752, 6369, 7909, 8106, 8492, 8628, 10066, 10808, 12738, 14861, 15099, 15818, 16212, 16984, 17256, 20132, 23727, 25476, 29722, 30198, 31636, 32424, 40264, 44583, 47454, 50952, 55363, 59444, 60396, 63272, 89166, 94908, 110726, 118888, 120792, 138767, 166089, 178332, 189816, 221452, 277534, 332178, 356664, 416301, 442904, 555068, 664356, 832602, 971369, 1110136, 1328712, 1526437, 1665204, 1942738, 2914107, 3052874, 3330408, 3885476, 4579311, 5828214, 6105748, 7770952, 9158622, 10685059, 11656428, 12211496, 18317244, 21370118, 23312856, 32055177, 36634488, 42740236, 64110354, 85480472, 128220708, 256441416]

約数ペア:

[(1, 256441416), (2, 128220708), (3, 85480472), (4, 64110354), (6, 42740236), (7, 36634488), (8, 32055177), (11, 23312856), (12, 21370118), (14, 18317244), (21, 12211496), (22, 11656428), (24, 10685059), (28, 9158622), (33, 7770952), (42, 6105748), (44, 5828214), (56, 4579311), (66, 3885476), (77, 3330408), (84, 3052874), (88, 2914107), (132, 1942738), (154, 1665204), (168, 1526437), (193, 1328712), (231, 1110136), (264, 971369), (308, 832602), (386, 664356), (462, 555068), (579, 442904), (616, 416301), (719, 356664), (772, 332178), (924, 277534), (1158, 221452), (1351, 189816), (1438, 178332), (1544, 166089), (1848, 138767), (2123, 120792), (2157, 118888), (2316, 110726), (2702, 94908), (2876, 89166), (4053, 63272), (4246, 60396), (4314, 59444), (4632, 55363), (5033, 50952), (5404, 47454), (5752, 44583), (6369, 40264), (7909, 32424), (8106, 31636), (8492, 30198), (8628, 29722), (10066, 25476), (10808, 23727), (12738, 20132), (14861, 17256), (15099, 16984), (15818, 16212)]