About the Number

1317993985

1317993984 ← → 1317993986

2進数表記:1001110100011101111111000000001

漢数字表記:十三億千七百九十九万三千九百八十五

素因数分解:

5 1 × 7 1 × 11 1 × 31 1 × 110431 1

素因数の和:110485
約数の個数: 32
約数和(自身を含む): 2035482624
約数和(自身を除く): 717488639

約数列:
[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1705, 2387, 11935, 110431, 552155, 773017, 1214741, 3423361, 3865085, 6073705, 8503187, 17116805, 23963527, 37656971, 42515935, 119817635, 188284855, 263598797, 1317993985]

約数ペア:
[(1, 1317993985), (5, 263598797), (7, 188284855), (11, 119817635), (31, 42515935), (35, 37656971), (55, 23963527), (77, 17116805), (155, 8503187), (217, 6073705), (341, 3865085), (385, 3423361), (1085, 1214741), (1705, 773017), (2387, 552155), (11935, 110431)]

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