1991241613648

素因数分解:

$2^4\times 7^4\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{21481}}^1$

素因数の和:21663

約数の個数: 200

約数和(自身を含む): 4775177067520

約数和(自身を除く): 2783935453872

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 127, 133, 152, 196, 254, 266, 304, 343, 392, 508, 532, 686, 784, 889, 931, 1016, 1064, 1372, 1778, 1862, 2032, 2128, 2401, 2413, 2744, 3556, 3724, 4802, 4826, 5488, 6223, 6517, 7112, 7448, 9604, 9652, 12446, 13034, 14224, 14896, 16891, 19208, 19304, 21481, 24892, 26068, 33782, 38416, 38608, 42962, 43561, 45619, 49784, 52136, 67564, 85924, 87122, 91238, 99568, 104272, 118237, 135128, 150367, 171848, 174244, 182476, 236474, 270256, 300734, 304927, 343696, 348488, 364952, 408139, 472948, 601468, 609854, 696976, 729904, 816278, 827659, 945896, 1052569, 1202936, 1219708, 1632556, 1655318, 1891792, 2105138, 2405872, 2439416, 2728087, 2856973, 3265112, 3310636, 4210276, 4878832, 5456174, 5713946, 5793613, 6530224, 6621272, 7367983, 8420552, 10912348, 11427892, 11587226, 13242544, 14735966, 16841104, 19096609, 19998811, 21824696, 22855784, 23174452, 29471932, 38193218, 39997622, 43649392, 45711568, 46348904, 51575881, 51833653, 58943864, 76386436, 79995244, 92697808, 103151762, 103667306, 117887728, 133676263, 139991677, 152772872, 159990488, 206303524, 207334612, 267352526, 279983354, 305545744, 319980976, 362835571, 412607048, 414669224, 534705052, 559966708, 725671142, 825214096, 829338448, 935733841, 979941739, 1069410104, 1119933416, 1451342284, 1871467682, 1959883478, 2138820208, 2239866832, 2539848997, 2902684568, 3742935364, 3919766956, 5079697994, 5805369136, 6550136887, 7485870728, 7839533912, 10159395988, 13100273774, 14971741456, 15679067824, 17778942979, 20318791976, 26200547548, 35557885958, 40637583952, 52401095096, 71115771916, 104802190192, 124452600853, 142231543832, 248905201706, 284463087664, 497810403412, 995620806824, 1991241613648]

約数ペア:

[(1, 1991241613648), (2, 995620806824), (4, 497810403412), (7, 284463087664), (8, 248905201706), (14, 142231543832), (16, 124452600853), (19, 104802190192), (28, 71115771916), (38, 52401095096), (49, 40637583952), (56, 35557885958), (76, 26200547548), (98, 20318791976), (112, 17778942979), (127, 15679067824), (133, 14971741456), (152, 13100273774), (196, 10159395988), (254, 7839533912), (266, 7485870728), (304, 6550136887), (343, 5805369136), (392, 5079697994), (508, 3919766956), (532, 3742935364), (686, 2902684568), (784, 2539848997), (889, 2239866832), (931, 2138820208), (1016, 1959883478), (1064, 1871467682), (1372, 1451342284), (1778, 1119933416), (1862, 1069410104), (2032, 979941739), (2128, 935733841), (2401, 829338448), (2413, 825214096), (2744, 725671142), (3556, 559966708), (3724, 534705052), (4802, 414669224), (4826, 412607048), (5488, 362835571), (6223, 319980976), (6517, 305545744), (7112, 279983354), (7448, 267352526), (9604, 207334612), (9652, 206303524), (12446, 159990488), (13034, 152772872), (14224, 139991677), (14896, 133676263), (16891, 117887728), (19208, 103667306), (19304, 103151762), (21481, 92697808), (24892, 79995244), (26068, 76386436), (33782, 58943864), (38416, 51833653), (38608, 51575881), (42962, 46348904), (43561, 45711568), (45619, 43649392), (49784, 39997622), (52136, 38193218), (67564, 29471932), (85924, 23174452), (87122, 22855784), (91238, 21824696), (99568, 19998811), (104272, 19096609), (118237, 16841104), (135128, 14735966), (150367, 13242544), (171848, 11587226), (174244, 11427892), (182476, 10912348), (236474, 8420552), (270256, 7367983), (300734, 6621272), (304927, 6530224), (343696, 5793613), (348488, 5713946), (364952, 5456174), (408139, 4878832), (472948, 4210276), (601468, 3310636), (609854, 3265112), (696976, 2856973), (729904, 2728087), (816278, 2439416), (827659, 2405872), (945896, 2105138), (1052569, 1891792), (1202936, 1655318), (1219708, 1632556)]