About the Number

801991008

801991007 ← → 801991009

2進数表記:101111110011010110100101100000

漢数字表記:八億百九十九万千八

素因数分解:

2 5 × 3 2 × 7 1 × 13 1 × 71 1 × 431 1

素因数の和:538
約数の個数: 288
約数和(自身を含む): 2853107712
約数和(自身を除く): 2051116704

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 71, 72, 78, 84, 91, 96, 104, 112, 117, 126, 142, 144, 156, 168, 182, 208, 213, 224, 234, 252, 273, 284, 288, 312, 336, 364, 416, 426, 431, 468, 497, 504, 546, 568, 624, 639, 672, 728, 819, 852, 862, 923, 936, 994, 1008, 1092, 1136, 1248, 1278, 1293, 1456, 1491, 1638, 1704, 1724, 1846, 1872, 1988, 2016, 2184, 2272, 2556, 2586, 2769, 2912, 2982, 3017, 3276, 3408, 3448, 3692, 3744, 3879, 3976, 4368, 4473, 5112, 5172, 5538, 5603, 5964, 6034, 6461, 6552, 6816, 6896, 7384, 7758, 7952, 8307, 8736, 8946, 9051, 10224, 10344, 11076, 11206, 11928, 12068, 12922, 13104, 13792, 14768, 15516, 15904, 16614, 16809, 17892, 18102, 19383, 20448, 20688, 22152, 22412, 23856, 24136, 25844, 26208, 27153, 29536, 30601, 31032, 33228, 33618, 35784, 36204, 38766, 39221, 41376, 44304, 44824, 47712, 48272, 50427, 51688, 54306, 58149, 61202, 62064, 66456, 67236, 71568, 72408, 77532, 78442, 88608, 89648, 91803, 96544, 100854, 103376, 108612, 116298, 117663, 122404, 124128, 132912, 134472, 143136, 144816, 155064, 156884, 179296, 183606, 201708, 206752, 214207, 217224, 232596, 235326, 244808, 265824, 268944, 275409, 289632, 310128, 313768, 352989, 367212, 397813, 403416, 428414, 434448, 465192, 470652, 489616, 537888, 550818, 620256, 627536, 642621, 705978, 734424, 795626, 806832, 856828, 868896, 930384, 941304, 979232, 1101636, 1193439, 1255072, 1285242, 1411956, 1468848, 1591252, 1613664, 1713656, 1860768, 1882608, 1927863, 2203272, 2386878, 2570484, 2784691, 2823912, 2937696, 3182504, 3427312, 3580317, 3765216, 3855726, 4406544, 4773756, 5140968, 5569382, 5647824, 6365008, 6854624, 7160634, 7711452, 8354073, 8813088, 9547512, 10281936, 11138764, 11295648, 12730016, 14321268, 15422904, 16708146, 19095024, 20563872, 22277528, 25062219, 28642536, 30845808, 33416292, 38190048, 44555056, 50124438, 57285072, 61691616, 66832584, 89110112, 100248876, 114570144, 133665168, 200497752, 267330336, 400995504, 801991008]

約数ペア:
[(1, 801991008), (2, 400995504), (3, 267330336), (4, 200497752), (6, 133665168), (7, 114570144), (8, 100248876), (9, 89110112), (12, 66832584), (13, 61691616), (14, 57285072), (16, 50124438), (18, 44555056), (21, 38190048), (24, 33416292), (26, 30845808), (28, 28642536), (32, 25062219), (36, 22277528), (39, 20563872), (42, 19095024), (48, 16708146), (52, 15422904), (56, 14321268), (63, 12730016), (71, 11295648), (72, 11138764), (78, 10281936), (84, 9547512), (91, 8813088), (96, 8354073), (104, 7711452), (112, 7160634), (117, 6854624), (126, 6365008), (142, 5647824), (144, 5569382), (156, 5140968), (168, 4773756), (182, 4406544), (208, 3855726), (213, 3765216), (224, 3580317), (234, 3427312), (252, 3182504), (273, 2937696), (284, 2823912), (288, 2784691), (312, 2570484), (336, 2386878), (364, 2203272), (416, 1927863), (426, 1882608), (431, 1860768), (468, 1713656), (497, 1613664), (504, 1591252), (546, 1468848), (568, 1411956), (624, 1285242), (639, 1255072), (672, 1193439), (728, 1101636), (819, 979232), (852, 941304), (862, 930384), (923, 868896), (936, 856828), (994, 806832), (1008, 795626), (1092, 734424), (1136, 705978), (1248, 642621), (1278, 627536), (1293, 620256), (1456, 550818), (1491, 537888), (1638, 489616), (1704, 470652), (1724, 465192), (1846, 434448), (1872, 428414), (1988, 403416), (2016, 397813), (2184, 367212), (2272, 352989), (2556, 313768), (2586, 310128), (2769, 289632), (2912, 275409), (2982, 268944), (3017, 265824), (3276, 244808), (3408, 235326), (3448, 232596), (3692, 217224), (3744, 214207), (3879, 206752), (3976, 201708), (4368, 183606), (4473, 179296), (5112, 156884), (5172, 155064), (5538, 144816), (5603, 143136), (5964, 134472), (6034, 132912), (6461, 124128), (6552, 122404), (6816, 117663), (6896, 116298), (7384, 108612), (7758, 103376), (7952, 100854), (8307, 96544), (8736, 91803), (8946, 89648), (9051, 88608), (10224, 78442), (10344, 77532), (11076, 72408), (11206, 71568), (11928, 67236), (12068, 66456), (12922, 62064), (13104, 61202), (13792, 58149), (14768, 54306), (15516, 51688), (15904, 50427), (16614, 48272), (16809, 47712), (17892, 44824), (18102, 44304), (19383, 41376), (20448, 39221), (20688, 38766), (22152, 36204), (22412, 35784), (23856, 33618), (24136, 33228), (25844, 31032), (26208, 30601), (27153, 29536)]

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