About the Number

56491988

56491987 ← → 56491989

2進数表記:11010111011111111111010100

漢数字表記:五千六百四十九万千九百八十八

素因数分解:

2 2 × 7 1 × 67 1 × 30113 1

素因数の和:30191
約数の個数: 24
約数和(自身を含む): 114674112
約数和(自身を除く): 58182124

約数列:
[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 30113, 60226, 120452, 210791, 421582, 843164, 2017571, 4035142, 8070284, 14122997, 28245994, 56491988]

約数ペア:
[(1, 56491988), (2, 28245994), (4, 14122997), (7, 8070284), (14, 4035142), (28, 2017571), (67, 843164), (134, 421582), (268, 210791), (469, 120452), (938, 60226), (1876, 30113)]

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