About the Number

91442990

91442989 ← → 91442991

2進数表記:101011100110100111100101110

漢数字表記:九千百四十四万二千九百九十

素因数分解:

2 1 × 5 1 × 113 1 × 80923 1

素因数の和:81043
約数の個数: 16
約数和(自身を含む): 166056048
約数和(自身を除く): 74613058

約数列:
[1, 2, 5, 10, 113, 226, 565, 1130, 80923, 161846, 404615, 809230, 9144299, 18288598, 45721495, 91442990]

約数ペア:
[(1, 91442990), (2, 45721495), (5, 18288598), (10, 9144299), (113, 809230), (226, 404615), (565, 161846), (1130, 80923)]

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