About the Number

12105128

12105127 ← → 12105129

2進数表記:101110001011010110101000

漢数字表記:千二百十万五千百二十八

素因数分解:

2 3 × 7 1 × 19 1 × 31 1 × 367 1

素因数の和:430
約数の個数: 64
約数和(自身を含む): 28262400
約数和(自身を除く): 16157272

約数列:
[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 367, 434, 532, 589, 734, 868, 1064, 1178, 1468, 1736, 2356, 2569, 2936, 4123, 4712, 5138, 6973, 8246, 10276, 11377, 13946, 16492, 20552, 22754, 27892, 32984, 45508, 48811, 55784, 79639, 91016, 97622, 159278, 195244, 216163, 318556, 390488, 432326, 637112, 864652, 1513141, 1729304, 3026282, 6052564, 12105128]

約数ペア:
[(1, 12105128), (2, 6052564), (4, 3026282), (7, 1729304), (8, 1513141), (14, 864652), (19, 637112), (28, 432326), (31, 390488), (38, 318556), (56, 216163), (62, 195244), (76, 159278), (124, 97622), (133, 91016), (152, 79639), (217, 55784), (248, 48811), (266, 45508), (367, 32984), (434, 27892), (532, 22754), (589, 20552), (734, 16492), (868, 13946), (1064, 11377), (1178, 10276), (1468, 8246), (1736, 6973), (2356, 5138), (2569, 4712), (2936, 4123)]

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