About the Number

13897988

13897987 ← → 13897989

2進数表記:110101000001000100000100

漢数字表記:千三百八十九万七千九百八十八

素因数分解:

2 2 × 13 1 × 241 1 × 1109 1

素因数の和:1367
約数の個数: 24
約数和(自身を含む): 26324760
約数和(自身を除く): 12426772

約数列:
[1, 2, 4, 13, 26, 52, 241, 482, 964, 1109, 2218, 3133, 4436, 6266, 12532, 14417, 28834, 57668, 267269, 534538, 1069076, 3474497, 6948994, 13897988]

約数ペア:
[(1, 13897988), (2, 6948994), (4, 3474497), (13, 1069076), (26, 534538), (52, 267269), (241, 57668), (482, 28834), (964, 14417), (1109, 12532), (2218, 6266), (3133, 4436)]

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