About the Number

138964991

138964990 ← → 138964992

2進数表記:1000010010000110111111111111

漢数字表記:一億三千八百九十六万四千九百九十一

素因数分解:

11 2 × 83 1 × 101 1 × 137 1

素因数の和:343
約数の個数: 24
約数和(自身を含む): 157257072
約数和(自身を除く): 18292081

約数列:
[1, 11, 83, 101, 121, 137, 913, 1111, 1507, 8383, 10043, 11371, 12221, 13837, 16577, 92213, 125081, 152207, 1014343, 1148471, 1375891, 1674277, 12633181, 138964991]

約数ペア:
[(1, 138964991), (11, 12633181), (83, 1674277), (101, 1375891), (121, 1148471), (137, 1014343), (913, 152207), (1111, 125081), (1507, 92213), (8383, 16577), (10043, 13837), (11371, 12221)]

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