About the Number

91131401090

91131401089 ← → 91131401091

2進数表記:1010100110111110110101101001110000010

漢数字表記:九百十一億三千百四十万千九十

素因数分解:

2 1 × 5 1 × 23 1 × 396223483 1

素因数の和:396223513
約数の個数: 16
約数和(自身を含む): 171168545088
約数和(自身を除く): 80037143998

約数列:
[1, 2, 5, 10, 23, 46, 115, 230, 396223483, 792446966, 1981117415, 3962234830, 9113140109, 18226280218, 45565700545, 91131401090]

約数ペア:
[(1, 91131401090), (2, 45565700545), (5, 18226280218), (10, 9113140109), (23, 3962234830), (46, 1981117415), (115, 792446966), (230, 396223483)]

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