About the Number

2012489391

2012489390 ← → 2012489392

2進数表記:1110111111101000010011010101111

漢数字表記:二十億千二百四十八万九千三百九十一

素因数分解:

3 1 × 11 1 × 71 1 × 449 1 × 1913 1

素因数の和:2447
約数の個数: 32
約数和(自身を含む): 2976652800
約数和(自身を除く): 964163409

約数列:
[1, 3, 11, 33, 71, 213, 449, 781, 1347, 1913, 2343, 4939, 5739, 14817, 21043, 31879, 63129, 95637, 135823, 350669, 407469, 858937, 1052007, 1494053, 2576811, 4482159, 9448307, 28344921, 60984527, 182953581, 670829797, 2012489391]

約数ペア:
[(1, 2012489391), (3, 670829797), (11, 182953581), (33, 60984527), (71, 28344921), (213, 9448307), (449, 4482159), (781, 2576811), (1347, 1494053), (1913, 1052007), (2343, 858937), (4939, 407469), (5739, 350669), (14817, 135823), (21043, 95637), (31879, 63129)]

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