About the Number

136991690

136991689 ← → 136991691

2進数表記:1000001010100101001111001010

漢数字表記:一億三千六百九十九万千六百九十

素因数分解:

2 1 × 5 1 × 11 1 × 1245379 1

素因数の和:1245397
約数の個数: 16
約数和(自身を含む): 269002080
約数和(自身を除く): 132010390

約数列:
[1, 2, 5, 10, 11, 22, 55, 110, 1245379, 2490758, 6226895, 12453790, 13699169, 27398338, 68495845, 136991690]

約数ペア:
[(1, 136991690), (2, 68495845), (5, 27398338), (10, 13699169), (11, 12453790), (22, 6226895), (55, 2490758), (110, 1245379)]

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