About the Number

12489470

12489469 ← → 12489471

2進数表記:101111101001001011111110

漢数字表記:千二百四十八万九千四百七十

素因数分解:

2 1 × 5 1 × 7 1 × 67 1 × 2663 1

素因数の和:2744
約数の個数: 32
約数和(自身を含む): 26085888
約数和(自身を除く): 13596418

約数列:
[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 2663, 4690, 5326, 13315, 18641, 26630, 37282, 93205, 178421, 186410, 356842, 892105, 1248947, 1784210, 2497894, 6244735, 12489470]

約数ペア:
[(1, 12489470), (2, 6244735), (5, 2497894), (7, 1784210), (10, 1248947), (14, 892105), (35, 356842), (67, 186410), (70, 178421), (134, 93205), (335, 37282), (469, 26630), (670, 18641), (938, 13315), (2345, 5326), (2663, 4690)]

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