About the Number

134401988

134401987 ← → 134401989

2進数表記:1000000000101100111111000100

漢数字表記:一億三千四百四十万千九百八十八

素因数分解:

2 2 × 7 1 × 31 1 × 154841 1

素因数の和:154883
約数の個数: 24
約数和(自身を含む): 277476864
約数和(自身を除く): 143074876

約数列:
[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 154841, 309682, 619364, 1083887, 2167774, 4335548, 4800071, 9600142, 19200284, 33600497, 67200994, 134401988]

約数ペア:
[(1, 134401988), (2, 67200994), (4, 33600497), (7, 19200284), (14, 9600142), (28, 4800071), (31, 4335548), (62, 2167774), (124, 1083887), (217, 619364), (434, 309682), (868, 154841)]

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