About the Number

28238688

28238687 ← → 28238689

2進数表記:1101011101110001101100000

漢数字表記:二千八百二十三万八千六百八十八

素因数分解:

2 5 × 3 2 × 71 1 × 1381 1

素因数の和:1468
約数の個数: 72
約数和(自身を含む): 81493776
約数和(自身を除く): 53255088

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1136, 1278, 1381, 1704, 2272, 2556, 2762, 3408, 4143, 5112, 5524, 6816, 8286, 10224, 11048, 12429, 16572, 20448, 22096, 24858, 33144, 44192, 49716, 66288, 98051, 99432, 132576, 196102, 198864, 294153, 392204, 397728, 588306, 784408, 882459, 1176612, 1568816, 1764918, 2353224, 3137632, 3529836, 4706448, 7059672, 9412896, 14119344, 28238688]

約数ペア:
[(1, 28238688), (2, 14119344), (3, 9412896), (4, 7059672), (6, 4706448), (8, 3529836), (9, 3137632), (12, 2353224), (16, 1764918), (18, 1568816), (24, 1176612), (32, 882459), (36, 784408), (48, 588306), (71, 397728), (72, 392204), (96, 294153), (142, 198864), (144, 196102), (213, 132576), (284, 99432), (288, 98051), (426, 66288), (568, 49716), (639, 44192), (852, 33144), (1136, 24858), (1278, 22096), (1381, 20448), (1704, 16572), (2272, 12429), (2556, 11048), (2762, 10224), (3408, 8286), (4143, 6816), (5112, 5524)]

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