About the Number

201131072

201131071 ← → 201131073

2進数表記:1011111111010000010001000000

漢数字表記:二億百十三万千七十二

素因数分解:

2 6 × 71 1 × 44263 1

素因数の和:44346
約数の個数: 28
約数和(自身を含む): 404750016
約数和(自身を除く): 203618944

約数列:
[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 44263, 88526, 177052, 354104, 708208, 1416416, 2832832, 3142673, 6285346, 12570692, 25141384, 50282768, 100565536, 201131072]

約数ペア:
[(1, 201131072), (2, 100565536), (4, 50282768), (8, 25141384), (16, 12570692), (32, 6285346), (64, 3142673), (71, 2832832), (142, 1416416), (284, 708208), (568, 354104), (1136, 177052), (2272, 88526), (4544, 44263)]

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