About the Number

91131248

91131247 ← → 91131249

2進数表記:101011011101000110101110000

漢数字表記:九千百十三万千二百四十八

素因数分解:

2 4 × 13 1 × 438131 1

素因数の和:438152
約数の個数: 20
約数和(自身を含む): 190149288
約数和(自身を除く): 99018040

約数列:
[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 438131, 876262, 1752524, 3505048, 5695703, 7010096, 11391406, 22782812, 45565624, 91131248]

約数ペア:
[(1, 91131248), (2, 45565624), (4, 22782812), (8, 11391406), (13, 7010096), (16, 5695703), (26, 3505048), (52, 1752524), (104, 876262), (208, 438131)]

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