About the Number

106801981

106801980 ← → 106801982

2進数表記:110010111011010101100111101

漢数字表記:一億六百八十万千九百八十一

素因数分解:

11 2 × 13 1 × 43 1 × 1579 1

素因数の和:1657
約数の個数: 24
約数和(自身を含む): 129446240
約数和(自身を除く): 22644259

約数列:
[1, 11, 13, 43, 121, 143, 473, 559, 1573, 1579, 5203, 6149, 17369, 20527, 67639, 67897, 191059, 225797, 746867, 882661, 2483767, 8215537, 9709271, 106801981]

約数ペア:
[(1, 106801981), (11, 9709271), (13, 8215537), (43, 2483767), (121, 882661), (143, 746867), (473, 225797), (559, 191059), (1573, 67897), (1579, 67639), (5203, 20527), (6149, 17369)]

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