About the Number

138039889

138039888 ← → 138039890

2進数表記:1000001110100101001001010001

漢数字表記:一億三千八百三万九千八百八十九

素因数分解:

13 1 × 61 1 × 109 1 × 1597 1

素因数の和:1780
約数の個数: 16
約数和(自身を含む): 152577040
約数和(自身を除く): 14537151

約数列:
[1, 13, 61, 109, 793, 1417, 1597, 6649, 20761, 86437, 97417, 174073, 1266421, 2262949, 10618453, 138039889]

約数ペア:
[(1, 138039889), (13, 10618453), (61, 2262949), (109, 1266421), (793, 174073), (1417, 97417), (1597, 86437), (6649, 20761)]

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