About the Number

12400728

12400727 ← → 12400729

2進数表記:101111010011100001011000

漢数字表記:千二百四十万七百二十八

素因数分解:

2 3 × 3 1 × 53 1 × 9749 1

素因数の和:9811
約数の個数: 32
約数和(自身を含む): 31590000
約数和(自身を除く): 19189272

約数列:
[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 9749, 19498, 29247, 38996, 58494, 77992, 116988, 233976, 516697, 1033394, 1550091, 2066788, 3100182, 4133576, 6200364, 12400728]

約数ペア:
[(1, 12400728), (2, 6200364), (3, 4133576), (4, 3100182), (6, 2066788), (8, 1550091), (12, 1033394), (24, 516697), (53, 233976), (106, 116988), (159, 77992), (212, 58494), (318, 38996), (424, 29247), (636, 19498), (1272, 9749)]

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