About the Number

201312688

201312687 ← → 201312689

2進数表記:1011111111111100100110110000

漢数字表記:二億百三十一万二千六百八十八

素因数分解:

2 4 × 61 1 × 206263 1

素因数の和:206332
約数の個数: 20
約数和(自身を含む): 396439408
約数和(自身を除く): 195126720

約数列:
[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 206263, 412526, 825052, 1650104, 3300208, 12582043, 25164086, 50328172, 100656344, 201312688]

約数ペア:
[(1, 201312688), (2, 100656344), (4, 50328172), (8, 25164086), (16, 12582043), (61, 3300208), (122, 1650104), (244, 825052), (488, 412526), (976, 206263)]

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