About the Number

12886790

12886789 ← → 12886791

2進数表記:110001001010001100000110

漢数字表記:千二百八十八万六千七百九十

素因数分解:

2 1 × 5 1 × 7 1 × 227 1 × 811 1

素因数の和:1052
約数の個数: 32
約数和(自身を含む): 26659584
約数和(自身を除く): 13772794

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 227, 454, 811, 1135, 1589, 1622, 2270, 3178, 4055, 5677, 7945, 8110, 11354, 15890, 28385, 56770, 184097, 368194, 920485, 1288679, 1840970, 2577358, 6443395, 12886790]

約数ペア:
[(1, 12886790), (2, 6443395), (5, 2577358), (7, 1840970), (10, 1288679), (14, 920485), (35, 368194), (70, 184097), (227, 56770), (454, 28385), (811, 15890), (1135, 11354), (1589, 8110), (1622, 7945), (2270, 5677), (3178, 4055)]

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