About the Number

129388488

129388487 ← → 129388489

2進数表記:111101101100100111111001000

漢数字表記:一億二千九百三十八万八千四百八十八

素因数分解:

2 3 × 3 1 × 29 1 × 185903 1

素因数の和:185941
約数の個数: 32
約数和(自身を含む): 334627200
約数和(自身を除く): 205238712

約数列:
[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 116, 174, 232, 348, 696, 185903, 371806, 557709, 743612, 1115418, 1487224, 2230836, 4461672, 5391187, 10782374, 16173561, 21564748, 32347122, 43129496, 64694244, 129388488]

約数ペア:
[(1, 129388488), (2, 64694244), (3, 43129496), (4, 32347122), (6, 21564748), (8, 16173561), (12, 10782374), (24, 5391187), (29, 4461672), (58, 2230836), (87, 1487224), (116, 1115418), (174, 743612), (232, 557709), (348, 371806), (696, 185903)]

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