28257432

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 86261760

約数和(自身を除く): 58004328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 71, 84, 92, 103, 138, 142, 161, 168, 184, 206, 213, 276, 284, 309, 322, 412, 426, 483, 497, 552, 568, 618, 644, 721, 824, 852, 966, 994, 1236, 1288, 1442, 1491, 1633, 1704, 1932, 1988, 2163, 2369, 2472, 2884, 2982, 3266, 3864, 3976, 4326, 4738, 4899, 5768, 5964, 6532, 7107, 7313, 8652, 9476, 9798, 11431, 11928, 13064, 14214, 14626, 16583, 17304, 18952, 19596, 21939, 22862, 28428, 29252, 33166, 34293, 39192, 43878, 45724, 49749, 51191, 56856, 58504, 66332, 68586, 87756, 91448, 99498, 102382, 132664, 137172, 153573, 168199, 175512, 198996, 204764, 274344, 307146, 336398, 397992, 409528, 504597, 614292, 672796, 1009194, 1177393, 1228584, 1345592, 2018388, 2354786, 3532179, 4036776, 4709572, 7064358, 9419144, 14128716, 28257432]

約数ペア:

[(1, 28257432), (2, 14128716), (3, 9419144), (4, 7064358), (6, 4709572), (7, 4036776), (8, 3532179), (12, 2354786), (14, 2018388), (21, 1345592), (23, 1228584), (24, 1177393), (28, 1009194), (42, 672796), (46, 614292), (56, 504597), (69, 409528), (71, 397992), (84, 336398), (92, 307146), (103, 274344), (138, 204764), (142, 198996), (161, 175512), (168, 168199), (184, 153573), (206, 137172), (213, 132664), (276, 102382), (284, 99498), (309, 91448), (322, 87756), (412, 68586), (426, 66332), (483, 58504), (497, 56856), (552, 51191), (568, 49749), (618, 45724), (644, 43878), (721, 39192), (824, 34293), (852, 33166), (966, 29252), (994, 28428), (1236, 22862), (1288, 21939), (1442, 19596), (1491, 18952), (1633, 17304), (1704, 16583), (1932, 14626), (1988, 14214), (2163, 13064), (2369, 11928), (2472, 11431), (2884, 9798), (2982, 9476), (3266, 8652), (3864, 7313), (3976, 7107), (4326, 6532), (4738, 5964), (4899, 5768)]