About the Number

81341272

81341271 ← → 81341273

2進数表記:100110110010010101101011000

漢数字表記:八千百三十四万千二百七十二

素因数分解:

2 3 × 31 1 × 73 1 × 4493 1

素因数の和:4603
約数の個数: 32
約数和(自身を含む): 159626880
約数和(自身を除く): 78285608

約数列:
[1, 2, 4, 8, 31, 62, 73, 124, 146, 248, 292, 584, 2263, 4493, 4526, 8986, 9052, 17972, 18104, 35944, 139283, 278566, 327989, 557132, 655978, 1114264, 1311956, 2623912, 10167659, 20335318, 40670636, 81341272]

約数ペア:
[(1, 81341272), (2, 40670636), (4, 20335318), (8, 10167659), (31, 2623912), (62, 1311956), (73, 1114264), (124, 655978), (146, 557132), (248, 327989), (292, 278566), (584, 139283), (2263, 35944), (4493, 18104), (4526, 17972), (8986, 9052)]

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