261569208

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{641101}}^1$

素因数の和:641127

約数の個数: 32

約数和(自身を含む): 692390160

約数和(自身を除く): 430820952

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 641101, 1282202, 1923303, 2564404, 3846606, 5128808, 7693212, 10898717, 15386424, 21797434, 32696151, 43594868, 65392302, 87189736, 130784604, 261569208]

約数ペア:

[(1, 261569208), (2, 130784604), (3, 87189736), (4, 65392302), (6, 43594868), (8, 32696151), (12, 21797434), (17, 15386424), (24, 10898717), (34, 7693212), (51, 5128808), (68, 3846606), (102, 2564404), (136, 1923303), (204, 1282202), (408, 641101)]