991457376

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:594

約数の個数: 288

約数和(自身を含む): 3371977728

約数和(自身を除く): 2380520352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 31, 32, 39, 42, 48, 49, 52, 56, 62, 78, 84, 91, 93, 96, 98, 104, 112, 124, 147, 156, 168, 182, 186, 196, 208, 217, 224, 248, 273, 294, 312, 336, 364, 372, 392, 403, 416, 434, 496, 523, 546, 588, 624, 637, 651, 672, 728, 744, 784, 806, 868, 992, 1046, 1092, 1176, 1209, 1248, 1274, 1302, 1456, 1488, 1519, 1568, 1569, 1612, 1736, 1911, 2092, 2184, 2352, 2418, 2548, 2604, 2821, 2912, 2976, 3038, 3138, 3224, 3472, 3661, 3822, 4184, 4368, 4557, 4704, 4836, 5096, 5208, 5642, 6076, 6276, 6448, 6799, 6944, 7322, 7644, 8368, 8463, 8736, 9114, 9672, 10192, 10416, 10983, 11284, 12152, 12552, 12896, 13598, 14644, 15288, 16213, 16736, 16926, 18228, 19344, 19747, 20384, 20397, 20832, 21966, 22568, 24304, 25104, 25627, 27196, 29288, 30576, 32426, 33852, 36456, 38688, 39494, 40794, 43932, 45136, 47593, 48608, 48639, 50208, 51254, 54392, 58576, 59241, 61152, 64852, 67704, 72912, 76881, 78988, 81588, 87864, 90272, 95186, 97278, 102508, 108784, 113491, 117152, 118482, 129704, 135408, 142779, 145824, 153762, 157976, 163176, 175728, 190372, 194556, 205016, 210769, 217568, 226982, 236964, 259408, 270816, 285558, 307524, 315952, 326352, 333151, 340473, 351456, 380744, 389112, 410032, 421538, 453964, 473928, 518816, 571116, 615048, 631904, 632307, 652704, 666302, 680946, 761488, 778224, 794437, 820064, 843076, 907928, 947856, 999453, 1142232, 1230096, 1264614, 1332604, 1361892, 1475383, 1522976, 1556448, 1588874, 1686152, 1815856, 1895712, 1998906, 2284464, 2383311, 2460192, 2529228, 2665208, 2723784, 2950766, 3177748, 3372304, 3631712, 3997812, 4426149, 4568928, 4766622, 5058456, 5330416, 5447568, 5901532, 6355496, 6744608, 7995624, 8852298, 9533244, 10116912, 10327681, 10660832, 10895136, 11803064, 12710992, 15991248, 17704596, 19066488, 20233824, 20655362, 23606128, 25421984, 30983043, 31982496, 35409192, 38132976, 41310724, 47212256, 61966086, 70818384, 76265952, 82621448, 123932172, 141636768, 165242896, 247864344, 330485792, 495728688, 991457376]

約数ペア:

[(1, 991457376), (2, 495728688), (3, 330485792), (4, 247864344), (6, 165242896), (7, 141636768), (8, 123932172), (12, 82621448), (13, 76265952), (14, 70818384), (16, 61966086), (21, 47212256), (24, 41310724), (26, 38132976), (28, 35409192), (31, 31982496), (32, 30983043), (39, 25421984), (42, 23606128), (48, 20655362), (49, 20233824), (52, 19066488), (56, 17704596), (62, 15991248), (78, 12710992), (84, 11803064), (91, 10895136), (93, 10660832), (96, 10327681), (98, 10116912), (104, 9533244), (112, 8852298), (124, 7995624), (147, 6744608), (156, 6355496), (168, 5901532), (182, 5447568), (186, 5330416), (196, 5058456), (208, 4766622), (217, 4568928), (224, 4426149), (248, 3997812), (273, 3631712), (294, 3372304), (312, 3177748), (336, 2950766), (364, 2723784), (372, 2665208), (392, 2529228), (403, 2460192), (416, 2383311), (434, 2284464), (496, 1998906), (523, 1895712), (546, 1815856), (588, 1686152), (624, 1588874), (637, 1556448), (651, 1522976), (672, 1475383), (728, 1361892), (744, 1332604), (784, 1264614), (806, 1230096), (868, 1142232), (992, 999453), (1046, 947856), (1092, 907928), (1176, 843076), (1209, 820064), (1248, 794437), (1274, 778224), (1302, 761488), (1456, 680946), (1488, 666302), (1519, 652704), (1568, 632307), (1569, 631904), (1612, 615048), (1736, 571116), (1911, 518816), (2092, 473928), (2184, 453964), (2352, 421538), (2418, 410032), (2548, 389112), (2604, 380744), (2821, 351456), (2912, 340473), (2976, 333151), (3038, 326352), (3138, 315952), (3224, 307524), (3472, 285558), (3661, 270816), (3822, 259408), (4184, 236964), (4368, 226982), (4557, 217568), (4704, 210769), (4836, 205016), (5096, 194556), (5208, 190372), (5642, 175728), (6076, 163176), (6276, 157976), (6448, 153762), (6799, 145824), (6944, 142779), (7322, 135408), (7644, 129704), (8368, 118482), (8463, 117152), (8736, 113491), (9114, 108784), (9672, 102508), (10192, 97278), (10416, 95186), (10983, 90272), (11284, 87864), (12152, 81588), (12552, 78988), (12896, 76881), (13598, 72912), (14644, 67704), (15288, 64852), (16213, 61152), (16736, 59241), (16926, 58576), (18228, 54392), (19344, 51254), (19747, 50208), (20384, 48639), (20397, 48608), (20832, 47593), (21966, 45136), (22568, 43932), (24304, 40794), (25104, 39494), (25627, 38688), (27196, 36456), (29288, 33852), (30576, 32426)]