About the Number

201971008

201971007 ← → 201971009

2進数表記:1100000010011101010101000000

漢数字表記:二億百九十七万千八

素因数分解:

2 6 × 691 1 × 4567 1

素因数の和:5270
約数の個数: 28
約数和(自身を含む): 401454112
約数和(自身を除く): 199483104

約数列:
[1, 2, 4, 8, 16, 32, 64, 691, 1382, 2764, 4567, 5528, 9134, 11056, 18268, 22112, 36536, 44224, 73072, 146144, 292288, 3155797, 6311594, 12623188, 25246376, 50492752, 100985504, 201971008]

約数ペア:
[(1, 201971008), (2, 100985504), (4, 50492752), (8, 25246376), (16, 12623188), (32, 6311594), (64, 3155797), (691, 292288), (1382, 146144), (2764, 73072), (4567, 44224), (5528, 36536), (9134, 22112), (11056, 18268)]

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