491201984

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:267

約数の個数: 224

約数和(自身を含む): 1324538880

約数和(自身を除く): 833336896

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 23, 26, 28, 32, 38, 46, 52, 56, 64, 76, 91, 92, 104, 112, 133, 152, 161, 182, 184, 193, 208, 224, 247, 266, 299, 304, 322, 364, 368, 386, 416, 437, 448, 494, 532, 598, 608, 644, 728, 736, 772, 832, 874, 988, 1064, 1196, 1216, 1288, 1351, 1456, 1472, 1544, 1729, 1748, 1976, 2093, 2128, 2392, 2509, 2576, 2702, 2912, 3059, 3088, 3458, 3496, 3667, 3952, 4186, 4256, 4439, 4784, 5018, 5152, 5404, 5681, 5824, 6118, 6176, 6916, 6992, 7334, 7904, 8372, 8512, 8878, 9568, 10036, 10304, 10808, 11362, 12236, 12352, 13832, 13984, 14668, 15808, 16744, 17563, 17756, 19136, 20072, 21616, 22724, 24472, 25669, 27664, 27968, 29336, 31073, 33488, 35126, 35512, 39767, 40144, 43232, 45448, 47671, 48944, 51338, 55328, 57707, 58672, 62146, 66976, 70252, 71024, 79534, 80288, 84341, 86464, 90896, 95342, 97888, 102676, 110656, 115414, 117344, 124292, 133952, 140504, 142048, 159068, 160576, 168682, 181792, 190684, 195776, 205352, 230828, 234688, 248584, 281008, 284096, 318136, 333697, 337364, 363584, 381368, 403949, 410704, 461656, 497168, 562016, 590387, 636272, 667394, 674728, 762736, 807898, 821408, 923312, 994336, 1096433, 1124032, 1180774, 1272544, 1334788, 1349456, 1525472, 1615796, 1642816, 1846624, 1988672, 2192866, 2361548, 2545088, 2669576, 2698912, 3050944, 3231592, 3693248, 4385732, 4723096, 5339152, 5397824, 6463184, 7675031, 8771464, 9446192, 10678304, 12926368, 15350062, 17542928, 18892384, 21356608, 25852736, 30700124, 35085856, 37784768, 61400248, 70171712, 122800496, 245600992, 491201984]

約数ペア:

[(1, 491201984), (2, 245600992), (4, 122800496), (7, 70171712), (8, 61400248), (13, 37784768), (14, 35085856), (16, 30700124), (19, 25852736), (23, 21356608), (26, 18892384), (28, 17542928), (32, 15350062), (38, 12926368), (46, 10678304), (52, 9446192), (56, 8771464), (64, 7675031), (76, 6463184), (91, 5397824), (92, 5339152), (104, 4723096), (112, 4385732), (133, 3693248), (152, 3231592), (161, 3050944), (182, 2698912), (184, 2669576), (193, 2545088), (208, 2361548), (224, 2192866), (247, 1988672), (266, 1846624), (299, 1642816), (304, 1615796), (322, 1525472), (364, 1349456), (368, 1334788), (386, 1272544), (416, 1180774), (437, 1124032), (448, 1096433), (494, 994336), (532, 923312), (598, 821408), (608, 807898), (644, 762736), (728, 674728), (736, 667394), (772, 636272), (832, 590387), (874, 562016), (988, 497168), (1064, 461656), (1196, 410704), (1216, 403949), (1288, 381368), (1351, 363584), (1456, 337364), (1472, 333697), (1544, 318136), (1729, 284096), (1748, 281008), (1976, 248584), (2093, 234688), (2128, 230828), (2392, 205352), (2509, 195776), (2576, 190684), (2702, 181792), (2912, 168682), (3059, 160576), (3088, 159068), (3458, 142048), (3496, 140504), (3667, 133952), (3952, 124292), (4186, 117344), (4256, 115414), (4439, 110656), (4784, 102676), (5018, 97888), (5152, 95342), (5404, 90896), (5681, 86464), (5824, 84341), (6118, 80288), (6176, 79534), (6916, 71024), (6992, 70252), (7334, 66976), (7904, 62146), (8372, 58672), (8512, 57707), (8878, 55328), (9568, 51338), (10036, 48944), (10304, 47671), (10808, 45448), (11362, 43232), (12236, 40144), (12352, 39767), (13832, 35512), (13984, 35126), (14668, 33488), (15808, 31073), (16744, 29336), (17563, 27968), (17756, 27664), (19136, 25669), (20072, 24472), (21616, 22724)]