About the Number

209386728

209386727 ← → 209386729

2進数表記:1100011110101111110011101000

漢数字表記:二億九百三十八万六千七百二十八

素因数分解:

2 3 × 3 3 × 29 1 × 33427 1

素因数の和:33471
約数の個数: 64
約数和(自身を含む): 601704000
約数和(自身を除く): 392317272

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 87, 108, 116, 174, 216, 232, 261, 348, 522, 696, 783, 1044, 1566, 2088, 3132, 6264, 33427, 66854, 100281, 133708, 200562, 267416, 300843, 401124, 601686, 802248, 902529, 969383, 1203372, 1805058, 1938766, 2406744, 2908149, 3610116, 3877532, 5816298, 7220232, 7755064, 8724447, 11632596, 17448894, 23265192, 26173341, 34897788, 52346682, 69795576, 104693364, 209386728]

約数ペア:
[(1, 209386728), (2, 104693364), (3, 69795576), (4, 52346682), (6, 34897788), (8, 26173341), (9, 23265192), (12, 17448894), (18, 11632596), (24, 8724447), (27, 7755064), (29, 7220232), (36, 5816298), (54, 3877532), (58, 3610116), (72, 2908149), (87, 2406744), (108, 1938766), (116, 1805058), (174, 1203372), (216, 969383), (232, 902529), (261, 802248), (348, 601686), (522, 401124), (696, 300843), (783, 267416), (1044, 200562), (1566, 133708), (2088, 100281), (3132, 66854), (6264, 33427)]

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