About the Number

231088

231087 ← → 231089

2進数表記:111000011010110000

漢数字表記:二十三万千八十八

素因数分解:

2 4 × 11 1 × 13 1 × 101 1

素因数の和:133
約数の個数: 40
約数和(自身を含む): 531216
約数和(自身を除く): 300128

約数列:
[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 101, 104, 143, 176, 202, 208, 286, 404, 572, 808, 1111, 1144, 1313, 1616, 2222, 2288, 2626, 4444, 5252, 8888, 10504, 14443, 17776, 21008, 28886, 57772, 115544, 231088]

約数ペア:
[(1, 231088), (2, 115544), (4, 57772), (8, 28886), (11, 21008), (13, 17776), (16, 14443), (22, 10504), (26, 8888), (44, 5252), (52, 4444), (88, 2626), (101, 2288), (104, 2222), (143, 1616), (176, 1313), (202, 1144), (208, 1111), (286, 808), (404, 572)]

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