About the Number

210728

210727 ← → 210729

2進数表記:110011011100101000

漢数字表記:二十一万七百二十八

素因数分解:

2 3 × 7 1 × 53 1 × 71 1

素因数の和:137
約数の個数: 32
約数和(自身を含む): 466560
約数和(自身を除く): 255832

約数列:
[1, 2, 4, 7, 8, 14, 28, 53, 56, 71, 106, 142, 212, 284, 371, 424, 497, 568, 742, 994, 1484, 1988, 2968, 3763, 3976, 7526, 15052, 26341, 30104, 52682, 105364, 210728]

約数ペア:
[(1, 210728), (2, 105364), (4, 52682), (7, 30104), (8, 26341), (14, 15052), (28, 7526), (53, 3976), (56, 3763), (71, 2968), (106, 1988), (142, 1484), (212, 994), (284, 742), (371, 568), (424, 497)]

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