247706368

素因数分解:

$2^8\times 7^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 180

約数和(自身を含む): 641227328

約数和(自身を除く): 393520960

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 49, 52, 56, 62, 64, 91, 98, 104, 112, 124, 128, 182, 196, 208, 217, 224, 248, 256, 343, 364, 392, 403, 416, 434, 448, 496, 637, 686, 728, 784, 806, 832, 868, 896, 992, 1274, 1372, 1456, 1519, 1568, 1612, 1664, 1736, 1792, 1984, 2401, 2548, 2744, 2821, 2912, 3038, 3136, 3224, 3328, 3472, 3968, 4459, 4802, 5096, 5488, 5642, 5824, 6076, 6272, 6448, 6944, 7936, 8918, 9604, 10192, 10633, 10976, 11284, 11648, 12152, 12544, 12896, 13888, 17836, 19208, 19747, 20384, 21266, 21952, 22568, 23296, 24304, 25792, 27776, 31213, 35672, 38416, 39494, 40768, 42532, 43904, 45136, 48608, 51584, 55552, 62426, 71344, 74431, 76832, 78988, 81536, 85064, 87808, 90272, 97216, 103168, 124852, 138229, 142688, 148862, 153664, 157976, 163072, 170128, 180544, 194432, 249704, 276458, 285376, 297724, 307328, 315952, 340256, 361088, 388864, 499408, 552916, 570752, 595448, 614656, 631904, 680512, 722176, 967603, 998816, 1105832, 1141504, 1190896, 1263808, 1361024, 1935206, 1997632, 2211664, 2381792, 2527616, 2722048, 3870412, 3995264, 4423328, 4763584, 5055232, 7740824, 7990528, 8846656, 9527168, 15481648, 17693312, 19054336, 30963296, 35386624, 61926592, 123853184, 247706368]

約数ペア:

[(1, 247706368), (2, 123853184), (4, 61926592), (7, 35386624), (8, 30963296), (13, 19054336), (14, 17693312), (16, 15481648), (26, 9527168), (28, 8846656), (31, 7990528), (32, 7740824), (49, 5055232), (52, 4763584), (56, 4423328), (62, 3995264), (64, 3870412), (91, 2722048), (98, 2527616), (104, 2381792), (112, 2211664), (124, 1997632), (128, 1935206), (182, 1361024), (196, 1263808), (208, 1190896), (217, 1141504), (224, 1105832), (248, 998816), (256, 967603), (343, 722176), (364, 680512), (392, 631904), (403, 614656), (416, 595448), (434, 570752), (448, 552916), (496, 499408), (637, 388864), (686, 361088), (728, 340256), (784, 315952), (806, 307328), (832, 297724), (868, 285376), (896, 276458), (992, 249704), (1274, 194432), (1372, 180544), (1456, 170128), (1519, 163072), (1568, 157976), (1612, 153664), (1664, 148862), (1736, 142688), (1792, 138229), (1984, 124852), (2401, 103168), (2548, 97216), (2744, 90272), (2821, 87808), (2912, 85064), (3038, 81536), (3136, 78988), (3224, 76832), (3328, 74431), (3472, 71344), (3968, 62426), (4459, 55552), (4802, 51584), (5096, 48608), (5488, 45136), (5642, 43904), (5824, 42532), (6076, 40768), (6272, 39494), (6448, 38416), (6944, 35672), (7936, 31213), (8918, 27776), (9604, 25792), (10192, 24304), (10633, 23296), (10976, 22568), (11284, 21952), (11648, 21266), (12152, 20384), (12544, 19747), (12896, 19208), (13888, 17836)]