About the Number

201232129

201232128 ← → 201232130

2進数表記:1011111111101000111100000001

漢数字表記:二億百二十三万二千百二十九

素因数分解:

7 1 × 23 2 × 31 1 × 1753 1

素因数の和:1837
約数の個数: 24
約数和(自身を含む): 248310272
約数和(自身を除く): 47078143

約数列:
[1, 7, 23, 31, 161, 217, 529, 713, 1753, 3703, 4991, 12271, 16399, 40319, 54343, 114793, 282233, 380401, 927337, 1249889, 6491359, 8749223, 28747447, 201232129]

約数ペア:
[(1, 201232129), (7, 28747447), (23, 8749223), (31, 6491359), (161, 1249889), (217, 927337), (529, 380401), (713, 282233), (1753, 114793), (3703, 54343), (4991, 40319), (12271, 16399)]

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