About the Number

131023648

131023647 ← → 131023649

2進数表記:111110011110100001100100000

漢数字表記:一億三千百二万三千六百四十八

素因数分解:

2 5 × 7 2 × 83561 1

素因数の和:83585
約数の個数: 36
約数和(自身を含む): 300071142
約数和(自身を除く): 169047494

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 83561, 167122, 334244, 584927, 668488, 1169854, 1336976, 2339708, 2673952, 4094489, 4679416, 8188978, 9358832, 16377956, 18717664, 32755912, 65511824, 131023648]

約数ペア:
[(1, 131023648), (2, 65511824), (4, 32755912), (7, 18717664), (8, 16377956), (14, 9358832), (16, 8188978), (28, 4679416), (32, 4094489), (49, 2673952), (56, 2339708), (98, 1336976), (112, 1169854), (196, 668488), (224, 584927), (392, 334244), (784, 167122), (1568, 83561)]

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