About the Number

81310992

81310991 ← → 81310993

2進数表記:100110110001011010100010000

漢数字表記:八千百三十一万九百九十二

素因数分解:

2 4 × 3 1 × 7 2 × 181 1 × 191 1

素因数の和:397
約数の個数: 120
約数和(自身を含む): 246984192
約数和(自身を除く): 165673200

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 181, 191, 196, 294, 336, 362, 382, 392, 543, 573, 588, 724, 764, 784, 1086, 1146, 1176, 1267, 1337, 1448, 1528, 2172, 2292, 2352, 2534, 2674, 2896, 3056, 3801, 4011, 4344, 4584, 5068, 5348, 7602, 8022, 8688, 8869, 9168, 9359, 10136, 10696, 15204, 16044, 17738, 18718, 20272, 21392, 26607, 28077, 30408, 32088, 34571, 35476, 37436, 53214, 56154, 60816, 64176, 69142, 70952, 74872, 103713, 106428, 112308, 138284, 141904, 149744, 207426, 212856, 224616, 241997, 276568, 414852, 425712, 449232, 483994, 553136, 725991, 829704, 967988, 1451982, 1659408, 1693979, 1935976, 2903964, 3387958, 3871952, 5081937, 5807928, 6775916, 10163874, 11615856, 13551832, 20327748, 27103664, 40655496, 81310992]

約数ペア:
[(1, 81310992), (2, 40655496), (3, 27103664), (4, 20327748), (6, 13551832), (7, 11615856), (8, 10163874), (12, 6775916), (14, 5807928), (16, 5081937), (21, 3871952), (24, 3387958), (28, 2903964), (42, 1935976), (48, 1693979), (49, 1659408), (56, 1451982), (84, 967988), (98, 829704), (112, 725991), (147, 553136), (168, 483994), (181, 449232), (191, 425712), (196, 414852), (294, 276568), (336, 241997), (362, 224616), (382, 212856), (392, 207426), (543, 149744), (573, 141904), (588, 138284), (724, 112308), (764, 106428), (784, 103713), (1086, 74872), (1146, 70952), (1176, 69142), (1267, 64176), (1337, 60816), (1448, 56154), (1528, 53214), (2172, 37436), (2292, 35476), (2352, 34571), (2534, 32088), (2674, 30408), (2896, 28077), (3056, 26607), (3801, 21392), (4011, 20272), (4344, 18718), (4584, 17738), (5068, 16044), (5348, 15204), (7602, 10696), (8022, 10136), (8688, 9359), (8869, 9168)]

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