About the Number

128991168

128991167 ← → 128991169

2進数表記:111101100000011111111000000

漢数字表記:一億二千八百九十九万千百六十八

素因数分解:

2 6 × 3 2 × 239 1 × 937 1

素因数の和:1194
約数の個数: 84
約数和(自身を含む): 371673120
約数和(自身を除く): 242681952

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 239, 288, 478, 576, 717, 937, 956, 1434, 1874, 1912, 2151, 2811, 2868, 3748, 3824, 4302, 5622, 5736, 7496, 7648, 8433, 8604, 11244, 11472, 14992, 15296, 16866, 17208, 22488, 22944, 29984, 33732, 34416, 44976, 45888, 59968, 67464, 68832, 89952, 134928, 137664, 179904, 223943, 269856, 447886, 539712, 671829, 895772, 1343658, 1791544, 2015487, 2687316, 3583088, 4030974, 5374632, 7166176, 8061948, 10749264, 14332352, 16123896, 21498528, 32247792, 42997056, 64495584, 128991168]

約数ペア:
[(1, 128991168), (2, 64495584), (3, 42997056), (4, 32247792), (6, 21498528), (8, 16123896), (9, 14332352), (12, 10749264), (16, 8061948), (18, 7166176), (24, 5374632), (32, 4030974), (36, 3583088), (48, 2687316), (64, 2015487), (72, 1791544), (96, 1343658), (144, 895772), (192, 671829), (239, 539712), (288, 447886), (478, 269856), (576, 223943), (717, 179904), (937, 137664), (956, 134928), (1434, 89952), (1874, 68832), (1912, 67464), (2151, 59968), (2811, 45888), (2868, 44976), (3748, 34416), (3824, 33732), (4302, 29984), (5622, 22944), (5736, 22488), (7496, 17208), (7648, 16866), (8433, 15296), (8604, 14992), (11244, 11472)]

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