About the Number

131097190

131097189 ← → 131097191

2進数表記:111110100000110001001100110

漢数字表記:一億三千百九万七千百九十

素因数分解:

2 1 × 5 1 × 7 1 × 1872817 1

素因数の和:1872831
約数の個数: 16
約数和(自身を含む): 269685792
約数和(自身を除く): 138588602

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 1872817, 3745634, 9364085, 13109719, 18728170, 26219438, 65548595, 131097190]

約数ペア:
[(1, 131097190), (2, 65548595), (5, 26219438), (7, 18728170), (10, 13109719), (14, 9364085), (35, 3745634), (70, 1872817)]

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