About the Number

200081161

200081160 ← → 200081162

2進数表記:1011111011001111111100001001

漢数字表記:二億八万千百六十一

素因数分解:

7 3 × 31 2 × 607 1

素因数の和:690
約数の個数: 24
約数和(自身を含む): 241497600
約数和(自身を除く): 41416439

約数列:
[1, 7, 31, 49, 217, 343, 607, 961, 1519, 4249, 6727, 10633, 18817, 29743, 47089, 131719, 208201, 329623, 583327, 922033, 4083289, 6454231, 28583023, 200081161]

約数ペア:
[(1, 200081161), (7, 28583023), (31, 6454231), (49, 4083289), (217, 922033), (343, 583327), (607, 329623), (961, 208201), (1519, 131719), (4249, 47089), (6727, 29743), (10633, 18817)]

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