About the Number

172904242

172904241 ← → 172904243

2進数表記:1010010011100100111100110010

漢数字表記:一億七千二百九十万四千二百四十二

素因数分解:

2 1 × 7 3 × 307 1 × 821 1

素因数の和:1151
約数の個数: 32
約数和(自身を含む): 303811200
約数和(自身を除く): 130906958

約数列:
[1, 2, 7, 14, 49, 98, 307, 343, 614, 686, 821, 1642, 2149, 4298, 5747, 11494, 15043, 30086, 40229, 80458, 105301, 210602, 252047, 281603, 504094, 563206, 1764329, 3528658, 12350303, 24700606, 86452121, 172904242]

約数ペア:
[(1, 172904242), (2, 86452121), (7, 24700606), (14, 12350303), (49, 3528658), (98, 1764329), (307, 563206), (343, 504094), (614, 281603), (686, 252047), (821, 210602), (1642, 105301), (2149, 80458), (4298, 40229), (5747, 30086), (11494, 15043)]

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