About the Number

205440243

205440242 ← → 205440244

2進数表記:1100001111101100010011110011

漢数字表記:二億五百四十四万二百四十三

素因数分解:

3 1 × 37 1 × 47 1 × 53 1 × 743 1

素因数の和:883
約数の個数: 32
約数和(自身を含む): 293124096
約数和(自身を除く): 87683853

約数列:
[1, 3, 37, 47, 53, 111, 141, 159, 743, 1739, 1961, 2229, 2491, 5217, 5883, 7473, 27491, 34921, 39379, 82473, 92167, 104763, 118137, 276501, 1292077, 1457023, 1850813, 3876231, 4371069, 5552439, 68480081, 205440243]

約数ペア:
[(1, 205440243), (3, 68480081), (37, 5552439), (47, 4371069), (53, 3876231), (111, 1850813), (141, 1457023), (159, 1292077), (743, 276501), (1739, 118137), (1961, 104763), (2229, 92167), (2491, 82473), (5217, 39379), (5883, 34921), (7473, 27491)]

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