About the Number

13987970

13987969 ← → 13987971

2進数表記:110101010111000010000010

漢数字表記:千三百九十八万七千九百七十

素因数分解:

2 1 × 5 1 × 41 1 × 109 1 × 313 1

素因数の和:470
約数の個数: 32
約数和(自身を含む): 26112240
約数和(自身を除く): 12124270

約数列:
[1, 2, 5, 10, 41, 82, 109, 205, 218, 313, 410, 545, 626, 1090, 1565, 3130, 4469, 8938, 12833, 22345, 25666, 34117, 44690, 64165, 68234, 128330, 170585, 341170, 1398797, 2797594, 6993985, 13987970]

約数ペア:
[(1, 13987970), (2, 6993985), (5, 2797594), (10, 1398797), (41, 341170), (82, 170585), (109, 128330), (205, 68234), (218, 64165), (313, 44690), (410, 34117), (545, 25666), (626, 22345), (1090, 12833), (1565, 8938), (3130, 4469)]

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