About the Number

131204988

131204987 ← → 131204989

2進数表記:111110100100000011101111100

漢数字表記:一億三千百二十万四千九百八十八

素因数分解:

2 2 × 3 3 × 373 1 × 3257 1

素因数の和:3643
約数の個数: 48
約数和(自身を含む): 341177760
約数和(自身を除く): 209972772

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 373, 746, 1119, 1492, 2238, 3257, 3357, 4476, 6514, 6714, 9771, 10071, 13028, 13428, 19542, 20142, 29313, 39084, 40284, 58626, 87939, 117252, 175878, 351756, 1214861, 2429722, 3644583, 4859444, 7289166, 10933749, 14578332, 21867498, 32801247, 43734996, 65602494, 131204988]

約数ペア:
[(1, 131204988), (2, 65602494), (3, 43734996), (4, 32801247), (6, 21867498), (9, 14578332), (12, 10933749), (18, 7289166), (27, 4859444), (36, 3644583), (54, 2429722), (108, 1214861), (373, 351756), (746, 175878), (1119, 117252), (1492, 87939), (2238, 58626), (3257, 40284), (3357, 39084), (4476, 29313), (6514, 20142), (6714, 19542), (9771, 13428), (10071, 13028)]

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