About the Number

81291232

81291231 ← → 81291233

2進数表記:100110110000110011111100000

漢数字表記:八千百二十九万千二百三十二

素因数分解:

2 5 × 11 1 × 230941 1

素因数の和:230962
約数の個数: 24
約数和(自身を含む): 174592152
約数和(自身を除く): 93300920

約数列:
[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 230941, 461882, 923764, 1847528, 2540351, 3695056, 5080702, 7390112, 10161404, 20322808, 40645616, 81291232]

約数ペア:
[(1, 81291232), (2, 40645616), (4, 20322808), (8, 10161404), (11, 7390112), (16, 5080702), (22, 3695056), (32, 2540351), (44, 1847528), (88, 923764), (176, 461882), (352, 230941)]

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