About the Number

2009072164

2009072163 ← → 2009072165

2進数表記:1110111110000000000001000100100

漢数字表記:二十億九百七万二千百六十四

素因数分解:

2 2 × 11 1 × 647 1 × 70573 1

素因数の和:71235
約数の個数: 24
約数和(自身を含む): 3841483968
約数和(自身を除く): 1832411804

約数列:
[1, 2, 4, 11, 22, 44, 647, 1294, 2588, 7117, 14234, 28468, 70573, 141146, 282292, 776303, 1552606, 3105212, 45660731, 91321462, 182642924, 502268041, 1004536082, 2009072164]

約数ペア:
[(1, 2009072164), (2, 1004536082), (4, 502268041), (11, 182642924), (22, 91321462), (44, 45660731), (647, 3105212), (1294, 1552606), (2588, 776303), (7117, 282292), (14234, 141146), (28468, 70573)]

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