About the Number

13000688

13000687 ← → 13000689

2進数表記:110001100101111111110000

漢数字表記:千三百万六百八十八

素因数分解:

2 4 × 53 1 × 15331 1

素因数の和:15392
約数の個数: 20
約数和(自身を含む): 25665768
約数和(自身を除く): 12665080

約数列:
[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 15331, 30662, 61324, 122648, 245296, 812543, 1625086, 3250172, 6500344, 13000688]

約数ペア:
[(1, 13000688), (2, 6500344), (4, 3250172), (8, 1625086), (16, 812543), (53, 245296), (106, 122648), (212, 61324), (424, 30662), (848, 15331)]

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