81875354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 147806208

約数和(自身を除く): 65930854

約数列:

[1, 2, 11, 22, 23, 43, 46, 53, 71, 86, 106, 142, 253, 473, 506, 583, 781, 946, 989, 1166, 1219, 1562, 1633, 1978, 2279, 2438, 3053, 3266, 3763, 4558, 6106, 7526, 10879, 13409, 17963, 21758, 25069, 26818, 33583, 35926, 41393, 50138, 52417, 67166, 70219, 82786, 86549, 104834, 140438, 161809, 173098, 323618, 576587, 772409, 952039, 1153174, 1544818, 1779899, 1904078, 3559798, 3721607, 7443214, 40937677, 81875354]

約数ペア:

[(1, 81875354), (2, 40937677), (11, 7443214), (22, 3721607), (23, 3559798), (43, 1904078), (46, 1779899), (53, 1544818), (71, 1153174), (86, 952039), (106, 772409), (142, 576587), (253, 323618), (473, 173098), (506, 161809), (583, 140438), (781, 104834), (946, 86549), (989, 82786), (1166, 70219), (1219, 67166), (1562, 52417), (1633, 50138), (1978, 41393), (2279, 35926), (2438, 33583), (3053, 26818), (3266, 25069), (3763, 21758), (4558, 17963), (6106, 13409), (7526, 10879)]