About the Number

1389049492

1389049491 ← → 1389049493

2進数表記:1010010110010110011011010010100

漢数字表記:十三億八千九百四万九千四百九十二

素因数分解:

2 2 × 19 1 × 367 1 × 49801 1

素因数の和:50191
約数の個数: 24
約数和(自身を含む): 2565799040
約数和(自身を除く): 1176749548

約数列:
[1, 2, 4, 19, 38, 76, 367, 734, 1468, 6973, 13946, 27892, 49801, 99602, 199204, 946219, 1892438, 3784876, 18276967, 36553934, 73107868, 347262373, 694524746, 1389049492]

約数ペア:
[(1, 1389049492), (2, 694524746), (4, 347262373), (19, 73107868), (38, 36553934), (76, 18276967), (367, 3784876), (734, 1892438), (1468, 946219), (6973, 199204), (13946, 99602), (27892, 49801)]

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