991511808

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:633

約数の個数: 288

約数和(自身を含む): 3367203840

約数和(自身を除く): 2375692032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 19, 21, 24, 28, 32, 34, 38, 42, 48, 51, 56, 57, 64, 68, 76, 84, 96, 102, 112, 114, 119, 128, 133, 136, 152, 168, 192, 204, 224, 228, 238, 256, 266, 272, 304, 323, 336, 357, 384, 399, 408, 448, 456, 476, 532, 544, 571, 608, 646, 672, 714, 768, 798, 816, 896, 912, 952, 969, 1064, 1088, 1142, 1216, 1292, 1344, 1428, 1596, 1632, 1713, 1792, 1824, 1904, 1938, 2128, 2176, 2261, 2284, 2432, 2584, 2688, 2856, 3192, 3264, 3426, 3648, 3808, 3876, 3997, 4256, 4352, 4522, 4568, 4864, 5168, 5376, 5712, 6384, 6528, 6783, 6852, 7296, 7616, 7752, 7994, 8512, 9044, 9136, 9707, 10336, 10849, 11424, 11991, 12768, 13056, 13566, 13704, 14592, 15232, 15504, 15988, 17024, 18088, 18272, 19414, 20672, 21698, 22848, 23982, 25536, 27132, 27408, 29121, 30464, 31008, 31976, 32547, 34048, 36176, 36544, 38828, 41344, 43396, 45696, 47964, 51072, 54264, 54816, 58242, 62016, 63952, 65094, 67949, 72352, 73088, 75943, 77656, 82688, 86792, 91392, 95928, 102144, 108528, 109632, 116484, 124032, 127904, 130188, 135898, 144704, 146176, 151886, 155312, 173584, 184433, 191856, 203847, 217056, 219264, 227829, 232968, 248064, 255808, 260376, 271796, 289408, 303772, 310624, 347168, 368866, 383712, 407694, 434112, 438528, 455658, 465936, 511616, 520752, 543592, 553299, 578816, 607544, 621248, 694336, 737732, 767424, 815388, 868224, 911316, 931872, 1023232, 1041504, 1087184, 1106598, 1215088, 1242496, 1291031, 1388672, 1475464, 1534848, 1630776, 1736448, 1822632, 1863744, 2083008, 2174368, 2213196, 2430176, 2484992, 2582062, 2777344, 2950928, 3069696, 3261552, 3645264, 3727488, 3873093, 4166016, 4348736, 4426392, 4860352, 5164124, 5901856, 6523104, 7290528, 7454976, 7746186, 8332032, 8697472, 8852784, 9720704, 10328248, 11803712, 13046208, 14581056, 15492372, 17394944, 17705568, 19441408, 20656496, 23607424, 26092416, 29162112, 30984744, 35411136, 41312992, 47214848, 52184832, 58324224, 61969488, 70822272, 82625984, 123938976, 141644544, 165251968, 247877952, 330503936, 495755904, 991511808]

約数ペア:

[(1, 991511808), (2, 495755904), (3, 330503936), (4, 247877952), (6, 165251968), (7, 141644544), (8, 123938976), (12, 82625984), (14, 70822272), (16, 61969488), (17, 58324224), (19, 52184832), (21, 47214848), (24, 41312992), (28, 35411136), (32, 30984744), (34, 29162112), (38, 26092416), (42, 23607424), (48, 20656496), (51, 19441408), (56, 17705568), (57, 17394944), (64, 15492372), (68, 14581056), (76, 13046208), (84, 11803712), (96, 10328248), (102, 9720704), (112, 8852784), (114, 8697472), (119, 8332032), (128, 7746186), (133, 7454976), (136, 7290528), (152, 6523104), (168, 5901856), (192, 5164124), (204, 4860352), (224, 4426392), (228, 4348736), (238, 4166016), (256, 3873093), (266, 3727488), (272, 3645264), (304, 3261552), (323, 3069696), (336, 2950928), (357, 2777344), (384, 2582062), (399, 2484992), (408, 2430176), (448, 2213196), (456, 2174368), (476, 2083008), (532, 1863744), (544, 1822632), (571, 1736448), (608, 1630776), (646, 1534848), (672, 1475464), (714, 1388672), (768, 1291031), (798, 1242496), (816, 1215088), (896, 1106598), (912, 1087184), (952, 1041504), (969, 1023232), (1064, 931872), (1088, 911316), (1142, 868224), (1216, 815388), (1292, 767424), (1344, 737732), (1428, 694336), (1596, 621248), (1632, 607544), (1713, 578816), (1792, 553299), (1824, 543592), (1904, 520752), (1938, 511616), (2128, 465936), (2176, 455658), (2261, 438528), (2284, 434112), (2432, 407694), (2584, 383712), (2688, 368866), (2856, 347168), (3192, 310624), (3264, 303772), (3426, 289408), (3648, 271796), (3808, 260376), (3876, 255808), (3997, 248064), (4256, 232968), (4352, 227829), (4522, 219264), (4568, 217056), (4864, 203847), (5168, 191856), (5376, 184433), (5712, 173584), (6384, 155312), (6528, 151886), (6783, 146176), (6852, 144704), (7296, 135898), (7616, 130188), (7752, 127904), (7994, 124032), (8512, 116484), (9044, 109632), (9136, 108528), (9707, 102144), (10336, 95928), (10849, 91392), (11424, 86792), (11991, 82688), (12768, 77656), (13056, 75943), (13566, 73088), (13704, 72352), (14592, 67949), (15232, 65094), (15504, 63952), (15988, 62016), (17024, 58242), (18088, 54816), (18272, 54264), (19414, 51072), (20672, 47964), (21698, 45696), (22848, 43396), (23982, 41344), (25536, 38828), (27132, 36544), (27408, 36176), (29121, 34048), (30464, 32547), (31008, 31976)]