1978311972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:219

約数の個数: 288

約数和(自身を含む): 6115350528

約数和(自身を除く): 4137038556

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 23, 26, 28, 39, 42, 46, 52, 69, 73, 78, 83, 84, 91, 92, 138, 146, 156, 161, 166, 169, 182, 219, 249, 273, 276, 292, 299, 322, 332, 338, 364, 438, 483, 498, 507, 511, 546, 581, 598, 644, 676, 876, 897, 949, 966, 996, 1014, 1022, 1079, 1092, 1162, 1183, 1196, 1533, 1679, 1743, 1794, 1898, 1909, 1932, 2028, 2044, 2093, 2158, 2324, 2366, 2847, 3066, 3237, 3358, 3486, 3549, 3588, 3796, 3818, 3887, 4186, 4316, 4732, 5037, 5694, 5727, 6059, 6132, 6279, 6474, 6643, 6716, 6972, 7098, 7553, 7636, 7774, 8372, 10074, 11388, 11454, 11661, 11753, 12118, 12337, 12558, 12948, 13286, 13363, 14027, 14196, 15106, 15548, 18177, 19929, 20148, 21827, 22659, 22908, 23322, 23506, 24236, 24674, 24817, 25116, 26572, 26726, 27209, 28054, 30212, 35259, 36354, 37011, 39858, 40089, 42081, 42413, 43654, 45318, 46644, 47012, 49348, 49634, 53452, 54418, 56108, 65481, 70518, 72708, 74022, 74451, 78767, 79716, 80178, 81627, 84162, 84826, 86359, 87308, 90636, 98189, 99268, 108836, 127239, 130962, 139357, 141036, 148044, 148902, 152789, 157534, 160356, 163254, 168324, 169652, 172718, 173719, 196378, 236301, 254478, 259077, 261924, 278714, 283751, 294567, 297804, 305578, 315068, 322621, 326508, 345436, 347438, 392756, 418071, 458367, 472602, 508956, 518154, 521157, 551369, 557428, 567502, 589134, 611156, 645242, 694876, 836142, 851253, 916734, 945204, 967863, 975499, 1023971, 1036308, 1042314, 1102738, 1135004, 1178268, 1290484, 1654107, 1672284, 1702506, 1811641, 1833468, 1935726, 1950998, 1986257, 2047942, 2084628, 2205476, 2258347, 2926497, 3071913, 3308214, 3405012, 3623282, 3871452, 3901996, 3972514, 4095884, 4516694, 5434923, 5852994, 5958771, 6143826, 6616428, 6775041, 7167797, 7246564, 7945028, 9033388, 10869846, 11705988, 11917542, 12287652, 12681487, 13550082, 14335594, 21503391, 21739692, 23551333, 23835084, 25362974, 27100164, 28671188, 38044461, 43006782, 47102666, 50725948, 70653999, 76088922, 86013564, 94205332, 141307998, 152177844, 164859331, 282615996, 329718662, 494577993, 659437324, 989155986, 1978311972]

約数ペア:

[(1, 1978311972), (2, 989155986), (3, 659437324), (4, 494577993), (6, 329718662), (7, 282615996), (12, 164859331), (13, 152177844), (14, 141307998), (21, 94205332), (23, 86013564), (26, 76088922), (28, 70653999), (39, 50725948), (42, 47102666), (46, 43006782), (52, 38044461), (69, 28671188), (73, 27100164), (78, 25362974), (83, 23835084), (84, 23551333), (91, 21739692), (92, 21503391), (138, 14335594), (146, 13550082), (156, 12681487), (161, 12287652), (166, 11917542), (169, 11705988), (182, 10869846), (219, 9033388), (249, 7945028), (273, 7246564), (276, 7167797), (292, 6775041), (299, 6616428), (322, 6143826), (332, 5958771), (338, 5852994), (364, 5434923), (438, 4516694), (483, 4095884), (498, 3972514), (507, 3901996), (511, 3871452), (546, 3623282), (581, 3405012), (598, 3308214), (644, 3071913), (676, 2926497), (876, 2258347), (897, 2205476), (949, 2084628), (966, 2047942), (996, 1986257), (1014, 1950998), (1022, 1935726), (1079, 1833468), (1092, 1811641), (1162, 1702506), (1183, 1672284), (1196, 1654107), (1533, 1290484), (1679, 1178268), (1743, 1135004), (1794, 1102738), (1898, 1042314), (1909, 1036308), (1932, 1023971), (2028, 975499), (2044, 967863), (2093, 945204), (2158, 916734), (2324, 851253), (2366, 836142), (2847, 694876), (3066, 645242), (3237, 611156), (3358, 589134), (3486, 567502), (3549, 557428), (3588, 551369), (3796, 521157), (3818, 518154), (3887, 508956), (4186, 472602), (4316, 458367), (4732, 418071), (5037, 392756), (5694, 347438), (5727, 345436), (6059, 326508), (6132, 322621), (6279, 315068), (6474, 305578), (6643, 297804), (6716, 294567), (6972, 283751), (7098, 278714), (7553, 261924), (7636, 259077), (7774, 254478), (8372, 236301), (10074, 196378), (11388, 173719), (11454, 172718), (11661, 169652), (11753, 168324), (12118, 163254), (12337, 160356), (12558, 157534), (12948, 152789), (13286, 148902), (13363, 148044), (14027, 141036), (14196, 139357), (15106, 130962), (15548, 127239), (18177, 108836), (19929, 99268), (20148, 98189), (21827, 90636), (22659, 87308), (22908, 86359), (23322, 84826), (23506, 84162), (24236, 81627), (24674, 80178), (24817, 79716), (25116, 78767), (26572, 74451), (26726, 74022), (27209, 72708), (28054, 70518), (30212, 65481), (35259, 56108), (36354, 54418), (37011, 53452), (39858, 49634), (40089, 49348), (42081, 47012), (42413, 46644), (43654, 45318)]