991329408

素因数分解:

$2^7\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:560

約数の個数: 256

約数和(自身を含む): 3185664000

約数和(自身を除く): 2194334592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 31, 32, 36, 38, 48, 54, 57, 62, 64, 72, 76, 93, 96, 108, 114, 124, 128, 144, 152, 171, 186, 192, 216, 228, 248, 279, 288, 304, 342, 372, 384, 432, 456, 487, 496, 513, 558, 576, 589, 608, 684, 744, 837, 864, 912, 974, 992, 1026, 1116, 1152, 1178, 1216, 1368, 1461, 1488, 1674, 1728, 1767, 1824, 1948, 1984, 2052, 2232, 2356, 2432, 2736, 2922, 2976, 3348, 3456, 3534, 3648, 3896, 3968, 4104, 4383, 4464, 4712, 5301, 5472, 5844, 5952, 6696, 7068, 7296, 7792, 8208, 8766, 8928, 9253, 9424, 10602, 10944, 11688, 11904, 13149, 13392, 14136, 15097, 15584, 15903, 16416, 17532, 17856, 18506, 18848, 21204, 21888, 23376, 26298, 26784, 27759, 28272, 30194, 31168, 31806, 32832, 35064, 35712, 37012, 37696, 42408, 45291, 46752, 52596, 53568, 55518, 56544, 60388, 62336, 63612, 65664, 70128, 74024, 75392, 83277, 84816, 90582, 93504, 105192, 107136, 111036, 113088, 120776, 127224, 135873, 140256, 148048, 166554, 169632, 181164, 187008, 210384, 222072, 226176, 241552, 249831, 254448, 271746, 280512, 286843, 296096, 333108, 339264, 362328, 407619, 420768, 444144, 483104, 499662, 508896, 543492, 561024, 573686, 592192, 666216, 678528, 724656, 815238, 841536, 860529, 888288, 966208, 999324, 1017792, 1086984, 1147372, 1184384, 1332432, 1449312, 1630476, 1683072, 1721058, 1776576, 1932416, 1998648, 2035584, 2173968, 2294744, 2581587, 2664864, 2898624, 3260952, 3442116, 3553152, 3997296, 4347936, 4589488, 5163174, 5329728, 5797248, 6521904, 6884232, 7744761, 7994592, 8695872, 9178976, 10326348, 10659456, 13043808, 13768464, 15489522, 15989184, 17391744, 18357952, 20652696, 26087616, 27536928, 30979044, 31978368, 36715904, 41305392, 52175232, 55073856, 61958088, 82610784, 110147712, 123916176, 165221568, 247832352, 330443136, 495664704, 991329408]

約数ペア:

[(1, 991329408), (2, 495664704), (3, 330443136), (4, 247832352), (6, 165221568), (8, 123916176), (9, 110147712), (12, 82610784), (16, 61958088), (18, 55073856), (19, 52175232), (24, 41305392), (27, 36715904), (31, 31978368), (32, 30979044), (36, 27536928), (38, 26087616), (48, 20652696), (54, 18357952), (57, 17391744), (62, 15989184), (64, 15489522), (72, 13768464), (76, 13043808), (93, 10659456), (96, 10326348), (108, 9178976), (114, 8695872), (124, 7994592), (128, 7744761), (144, 6884232), (152, 6521904), (171, 5797248), (186, 5329728), (192, 5163174), (216, 4589488), (228, 4347936), (248, 3997296), (279, 3553152), (288, 3442116), (304, 3260952), (342, 2898624), (372, 2664864), (384, 2581587), (432, 2294744), (456, 2173968), (487, 2035584), (496, 1998648), (513, 1932416), (558, 1776576), (576, 1721058), (589, 1683072), (608, 1630476), (684, 1449312), (744, 1332432), (837, 1184384), (864, 1147372), (912, 1086984), (974, 1017792), (992, 999324), (1026, 966208), (1116, 888288), (1152, 860529), (1178, 841536), (1216, 815238), (1368, 724656), (1461, 678528), (1488, 666216), (1674, 592192), (1728, 573686), (1767, 561024), (1824, 543492), (1948, 508896), (1984, 499662), (2052, 483104), (2232, 444144), (2356, 420768), (2432, 407619), (2736, 362328), (2922, 339264), (2976, 333108), (3348, 296096), (3456, 286843), (3534, 280512), (3648, 271746), (3896, 254448), (3968, 249831), (4104, 241552), (4383, 226176), (4464, 222072), (4712, 210384), (5301, 187008), (5472, 181164), (5844, 169632), (5952, 166554), (6696, 148048), (7068, 140256), (7296, 135873), (7792, 127224), (8208, 120776), (8766, 113088), (8928, 111036), (9253, 107136), (9424, 105192), (10602, 93504), (10944, 90582), (11688, 84816), (11904, 83277), (13149, 75392), (13392, 74024), (14136, 70128), (15097, 65664), (15584, 63612), (15903, 62336), (16416, 60388), (17532, 56544), (17856, 55518), (18506, 53568), (18848, 52596), (21204, 46752), (21888, 45291), (23376, 42408), (26298, 37696), (26784, 37012), (27759, 35712), (28272, 35064), (30194, 32832), (31168, 31806)]