About the Number

106821988

106821987 ← → 106821989

2進数表記:110010111011111100101100100

漢数字表記:一億六百八十二万千九百八十八

素因数分解:

2 2 × 7 1 × 13 1 × 293467 1

素因数の和:293491
約数の個数: 24
約数和(自身を含む): 230078912
約数和(自身を除く): 123256924

約数列:
[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 293467, 586934, 1173868, 2054269, 3815071, 4108538, 7630142, 8217076, 15260284, 26705497, 53410994, 106821988]

約数ペア:
[(1, 106821988), (2, 53410994), (4, 26705497), (7, 15260284), (13, 8217076), (14, 7630142), (26, 4108538), (28, 3815071), (52, 2054269), (91, 1173868), (182, 586934), (364, 293467)]

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