261662868

素因数分解:

$2^2\times 3^2\times {\mathrm{853}}^1\times {\mathrm{8521}}^1$

素因数の和:9384

約数の個数: 36

約数和(自身を含む): 662278708

約数和(自身を除く): 400615840

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 853, 1706, 2559, 3412, 5118, 7677, 8521, 10236, 15354, 17042, 25563, 30708, 34084, 51126, 76689, 102252, 153378, 306756, 7268413, 14536826, 21805239, 29073652, 43610478, 65415717, 87220956, 130831434, 261662868]

約数ペア:

[(1, 261662868), (2, 130831434), (3, 87220956), (4, 65415717), (6, 43610478), (9, 29073652), (12, 21805239), (18, 14536826), (36, 7268413), (853, 306756), (1706, 153378), (2559, 102252), (3412, 76689), (5118, 51126), (7677, 34084), (8521, 30708), (10236, 25563), (15354, 17042)]