About the Number

12129888

12129887 ← → 12129889

2進数表記:101110010001011001100000

漢数字表記:千二百十二万九千八百八十八

素因数分解:

2 5 × 3 1 × 29 1 × 4357 1

素因数の和:4399
約数の個数: 48
約数和(自身を含む): 32946480
約数和(自身を除く): 20816592

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 174, 232, 348, 464, 696, 928, 1392, 2784, 4357, 8714, 13071, 17428, 26142, 34856, 52284, 69712, 104568, 126353, 139424, 209136, 252706, 379059, 418272, 505412, 758118, 1010824, 1516236, 2021648, 3032472, 4043296, 6064944, 12129888]

約数ペア:
[(1, 12129888), (2, 6064944), (3, 4043296), (4, 3032472), (6, 2021648), (8, 1516236), (12, 1010824), (16, 758118), (24, 505412), (29, 418272), (32, 379059), (48, 252706), (58, 209136), (87, 139424), (96, 126353), (116, 104568), (174, 69712), (232, 52284), (348, 34856), (464, 26142), (696, 17428), (928, 13071), (1392, 8714), (2784, 4357)]

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