About the Number

2009015988

2009015987 ← → 2009015989

2進数表記:1110111101111110010011010110100

漢数字表記:二十億九百一万五千九百八十八

素因数分解:

2 2 × 3 1 × 7 1 × 23916857 1

素因数の和:23916871
約数の個数: 24
約数和(自身を含む): 5357376192
約数和(自身を除く): 3348360204

約数列:
[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 23916857, 47833714, 71750571, 95667428, 143501142, 167417999, 287002284, 334835998, 502253997, 669671996, 1004507994, 2009015988]

約数ペア:
[(1, 2009015988), (2, 1004507994), (3, 669671996), (4, 502253997), (6, 334835998), (7, 287002284), (12, 167417999), (14, 143501142), (21, 95667428), (28, 71750571), (42, 47833714), (84, 23916857)]

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