About the Number

51187213

51187212 ← → 51187214

2進数表記:11000011010000111000001101

漢数字表記:五千百十八万七千二百十三

素因数分解:

7 2 × 11 1 × 23 1 × 4129 1

素因数の和:4177
約数の個数: 24
約数和(自身を含む): 67798080
約数和(自身を除く): 16610867

約数列:
[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 4129, 12397, 28903, 45419, 94967, 202321, 317933, 664769, 1044637, 2225531, 4653383, 7312459, 51187213]

約数ペア:
[(1, 51187213), (7, 7312459), (11, 4653383), (23, 2225531), (49, 1044637), (77, 664769), (161, 317933), (253, 202321), (539, 94967), (1127, 45419), (1771, 28903), (4129, 12397)]

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