1991088736

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 288

約数和(自身を含む): 5321000160

約数和(自身を除く): 3329911424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 53, 56, 76, 91, 97, 98, 104, 106, 112, 133, 152, 182, 194, 196, 208, 212, 224, 247, 266, 304, 364, 371, 388, 392, 416, 424, 494, 532, 608, 637, 679, 689, 728, 742, 776, 784, 848, 931, 988, 1007, 1064, 1261, 1274, 1358, 1378, 1456, 1484, 1552, 1568, 1696, 1729, 1843, 1862, 1976, 2014, 2128, 2522, 2548, 2597, 2716, 2756, 2912, 2968, 3104, 3458, 3686, 3724, 3952, 4028, 4256, 4753, 4823, 5044, 5096, 5141, 5194, 5432, 5512, 5936, 6916, 7049, 7372, 7448, 7904, 8056, 8827, 9506, 9646, 10088, 10192, 10282, 10388, 10864, 11024, 11872, 12103, 12901, 13091, 13832, 14098, 14744, 14896, 16112, 17654, 19012, 19292, 20176, 20384, 20564, 20776, 21728, 22048, 23959, 24206, 25802, 26182, 27664, 28196, 29488, 29792, 32224, 33761, 35308, 35987, 38024, 38584, 40352, 41128, 41552, 47918, 48412, 49343, 51604, 52364, 55328, 56392, 58976, 61789, 66833, 67522, 70616, 71974, 76048, 77168, 82256, 83104, 90307, 91637, 95836, 96824, 97679, 98686, 103208, 104728, 112784, 123578, 133666, 135044, 141232, 143948, 152096, 154336, 164512, 167713, 180614, 183274, 191672, 193648, 195358, 197372, 206416, 209456, 225568, 247156, 251909, 267332, 270088, 282464, 287896, 335426, 361228, 366548, 383344, 387296, 390716, 394744, 412832, 418912, 467831, 494312, 503818, 534664, 540176, 575792, 641459, 670852, 683753, 722456, 733096, 766688, 781432, 789488, 935662, 988624, 1007636, 1069328, 1080352, 1151584, 1173991, 1269827, 1282918, 1341704, 1367506, 1444912, 1466192, 1562864, 1578976, 1871324, 1977248, 2015272, 2138656, 2347982, 2539654, 2565836, 2683408, 2735012, 2889824, 2932384, 3125728, 3274817, 3742648, 4030544, 4695964, 4786271, 5079308, 5131672, 5366816, 5470024, 6549634, 7485296, 8061088, 8888789, 9391928, 9572542, 10158616, 10263344, 10940048, 13099268, 14970592, 17777578, 18783856, 19145084, 20317232, 20526688, 21880096, 26198536, 35555156, 37567712, 38290168, 40634464, 52397072, 62221523, 71110312, 76580336, 104794144, 124443046, 142220624, 153160672, 248886092, 284441248, 497772184, 995544368, 1991088736]

約数ペア:

[(1, 1991088736), (2, 995544368), (4, 497772184), (7, 284441248), (8, 248886092), (13, 153160672), (14, 142220624), (16, 124443046), (19, 104794144), (26, 76580336), (28, 71110312), (32, 62221523), (38, 52397072), (49, 40634464), (52, 38290168), (53, 37567712), (56, 35555156), (76, 26198536), (91, 21880096), (97, 20526688), (98, 20317232), (104, 19145084), (106, 18783856), (112, 17777578), (133, 14970592), (152, 13099268), (182, 10940048), (194, 10263344), (196, 10158616), (208, 9572542), (212, 9391928), (224, 8888789), (247, 8061088), (266, 7485296), (304, 6549634), (364, 5470024), (371, 5366816), (388, 5131672), (392, 5079308), (416, 4786271), (424, 4695964), (494, 4030544), (532, 3742648), (608, 3274817), (637, 3125728), (679, 2932384), (689, 2889824), (728, 2735012), (742, 2683408), (776, 2565836), (784, 2539654), (848, 2347982), (931, 2138656), (988, 2015272), (1007, 1977248), (1064, 1871324), (1261, 1578976), (1274, 1562864), (1358, 1466192), (1378, 1444912), (1456, 1367506), (1484, 1341704), (1552, 1282918), (1568, 1269827), (1696, 1173991), (1729, 1151584), (1843, 1080352), (1862, 1069328), (1976, 1007636), (2014, 988624), (2128, 935662), (2522, 789488), (2548, 781432), (2597, 766688), (2716, 733096), (2756, 722456), (2912, 683753), (2968, 670852), (3104, 641459), (3458, 575792), (3686, 540176), (3724, 534664), (3952, 503818), (4028, 494312), (4256, 467831), (4753, 418912), (4823, 412832), (5044, 394744), (5096, 390716), (5141, 387296), (5194, 383344), (5432, 366548), (5512, 361228), (5936, 335426), (6916, 287896), (7049, 282464), (7372, 270088), (7448, 267332), (7904, 251909), (8056, 247156), (8827, 225568), (9506, 209456), (9646, 206416), (10088, 197372), (10192, 195358), (10282, 193648), (10388, 191672), (10864, 183274), (11024, 180614), (11872, 167713), (12103, 164512), (12901, 154336), (13091, 152096), (13832, 143948), (14098, 141232), (14744, 135044), (14896, 133666), (16112, 123578), (17654, 112784), (19012, 104728), (19292, 103208), (20176, 98686), (20384, 97679), (20564, 96824), (20776, 95836), (21728, 91637), (22048, 90307), (23959, 83104), (24206, 82256), (25802, 77168), (26182, 76048), (27664, 71974), (28196, 70616), (29488, 67522), (29792, 66833), (32224, 61789), (33761, 58976), (35308, 56392), (35987, 55328), (38024, 52364), (38584, 51604), (40352, 49343), (41128, 48412), (41552, 47918)]