About the Number

2011997588

2011997587 ← → 2011997589

2進数表記:1110111111011001010010110010100

漢数字表記:二十億千百九十九万七千五百八十八

素因数分解:

2 2 × 23 1 × 31 1 × 397 1 × 1777 1

素因数の和:2232
約数の個数: 48
約数和(自身を含む): 3804294144
約数和(自身を除く): 1792296556

約数列:
[1, 2, 4, 23, 31, 46, 62, 92, 124, 397, 713, 794, 1426, 1588, 1777, 2852, 3554, 7108, 9131, 12307, 18262, 24614, 36524, 40871, 49228, 55087, 81742, 110174, 163484, 220348, 283061, 566122, 705469, 1132244, 1267001, 1410938, 2534002, 2821876, 5068004, 16225787, 21869539, 32451574, 43739078, 64903148, 87478156, 502999397, 1005998794, 2011997588]

約数ペア:
[(1, 2011997588), (2, 1005998794), (4, 502999397), (23, 87478156), (31, 64903148), (46, 43739078), (62, 32451574), (92, 21869539), (124, 16225787), (397, 5068004), (713, 2821876), (794, 2534002), (1426, 1410938), (1588, 1267001), (1777, 1132244), (2852, 705469), (3554, 566122), (7108, 283061), (9131, 220348), (12307, 163484), (18262, 110174), (24614, 81742), (36524, 55087), (40871, 49228)]

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