About the Number

207970081

207970080 ← → 207970082

2進数表記:1100011001010101111100100001

漢数字表記:二億七百九十七万八十一

素因数分解:

11 3 × 37 1 × 41 1 × 103 1

素因数の和:214
約数の個数: 32
約数和(自身を含む): 243000576
約数和(自身を除く): 35030495

約数列:
[1, 11, 37, 41, 103, 121, 407, 451, 1133, 1331, 1517, 3811, 4223, 4477, 4961, 12463, 16687, 41921, 46453, 49247, 54571, 137093, 156251, 183557, 461131, 510983, 1718761, 2019127, 5072441, 5620813, 18906371, 207970081]

約数ペア:
[(1, 207970081), (11, 18906371), (37, 5620813), (41, 5072441), (103, 2019127), (121, 1718761), (407, 510983), (451, 461131), (1133, 183557), (1331, 156251), (1517, 137093), (3811, 54571), (4223, 49247), (4477, 46453), (4961, 41921), (12463, 16687)]

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