About the Number

12387808

12387807 ← → 12387809

2進数表記:101111010000010111100000

漢数字表記:千二百三十八万七千八百八

素因数分解:

2 5 × 73 1 × 5303 1

素因数の和:5386
約数の個数: 24
約数和(自身を含む): 24727248
約数和(自身を除く): 12339440

約数列:
[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 5303, 10606, 21212, 42424, 84848, 169696, 387119, 774238, 1548476, 3096952, 6193904, 12387808]

約数ペア:
[(1, 12387808), (2, 6193904), (4, 3096952), (8, 1548476), (16, 774238), (32, 387119), (73, 169696), (146, 84848), (292, 42424), (584, 21212), (1168, 10606), (2336, 5303)]

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