About the Number

12884790

12884789 ← → 12884791

2進数表記:110001001001101100110110

漢数字表記:千二百八十八万四千七百九十

素因数分解:

2 1 × 3 1 × 5 1 × 307 1 × 1399 1

素因数の和:1716
約数の個数: 32
約数和(自身を含む): 31046400
約数和(自身を除く): 18161610

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 307, 614, 921, 1399, 1535, 1842, 2798, 3070, 4197, 4605, 6995, 8394, 9210, 13990, 20985, 41970, 429493, 858986, 1288479, 2147465, 2576958, 4294930, 6442395, 12884790]

約数ペア:
[(1, 12884790), (2, 6442395), (3, 4294930), (5, 2576958), (6, 2147465), (10, 1288479), (15, 858986), (30, 429493), (307, 41970), (614, 20985), (921, 13990), (1399, 9210), (1535, 8394), (1842, 6995), (2798, 4605), (3070, 4197)]

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