208295956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1237}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 411808320

約数和(自身を除く): 203512364

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 89, 172, 178, 356, 473, 946, 979, 1237, 1892, 1958, 2474, 3827, 3916, 4948, 7654, 13607, 15308, 27214, 42097, 53191, 54428, 84194, 106382, 110093, 168388, 212764, 220186, 440372, 585101, 1170202, 1211023, 2340404, 2422046, 4733999, 4844092, 9467998, 18935996, 52073989, 104147978, 208295956]

約数ペア:

[(1, 208295956), (2, 104147978), (4, 52073989), (11, 18935996), (22, 9467998), (43, 4844092), (44, 4733999), (86, 2422046), (89, 2340404), (172, 1211023), (178, 1170202), (356, 585101), (473, 440372), (946, 220186), (979, 212764), (1237, 168388), (1892, 110093), (1958, 106382), (2474, 84194), (3827, 54428), (3916, 53191), (4948, 42097), (7654, 27214), (13607, 15308)]