About the Number

131690048

131690047 ← → 131690049

2進数表記:111110110010110111001000000

漢数字表記:一億三千百六十九万四十八

素因数分解:

2 6 × 7 4 × 857 1

素因数の和:897
約数の個数: 70
約数和(自身を含む): 305213766
約数和(自身を除く): 173523718

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 343, 392, 448, 686, 784, 857, 1372, 1568, 1714, 2401, 2744, 3136, 3428, 4802, 5488, 5999, 6856, 9604, 10976, 11998, 13712, 19208, 21952, 23996, 27424, 38416, 41993, 47992, 54848, 76832, 83986, 95984, 153664, 167972, 191968, 293951, 335944, 383936, 587902, 671888, 1175804, 1343776, 2057657, 2351608, 2687552, 4115314, 4703216, 8230628, 9406432, 16461256, 18812864, 32922512, 65845024, 131690048]

約数ペア:
[(1, 131690048), (2, 65845024), (4, 32922512), (7, 18812864), (8, 16461256), (14, 9406432), (16, 8230628), (28, 4703216), (32, 4115314), (49, 2687552), (56, 2351608), (64, 2057657), (98, 1343776), (112, 1175804), (196, 671888), (224, 587902), (343, 383936), (392, 335944), (448, 293951), (686, 191968), (784, 167972), (857, 153664), (1372, 95984), (1568, 83986), (1714, 76832), (2401, 54848), (2744, 47992), (3136, 41993), (3428, 38416), (4802, 27424), (5488, 23996), (5999, 21952), (6856, 19208), (9604, 13712), (10976, 11998)]

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