About the Number

2013012988

2013012987 ← → 2013012989

2進数表記:1110111111111000010001111111100

漢数字表記:二十億千三百一万二千九百八十八

素因数分解:

2 2 × 7 1 × 19 1 × 3783859 1

素因数の和:3783889
約数の個数: 24
約数和(自身を含む): 4237923200
約数和(自身を除く): 2224910212

約数列:
[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 3783859, 7567718, 15135436, 26487013, 52974026, 71893321, 105948052, 143786642, 287573284, 503253247, 1006506494, 2013012988]

約数ペア:
[(1, 2013012988), (2, 1006506494), (4, 503253247), (7, 287573284), (14, 143786642), (19, 105948052), (28, 71893321), (38, 52974026), (76, 26487013), (133, 15135436), (266, 7567718), (532, 3783859)]

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