664560413

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 822268800

約数和(自身を除く): 157708387

約数列:

[1, 11, 17, 23, 61, 149, 187, 253, 289, 391, 671, 1037, 1403, 1639, 2533, 3179, 3427, 4301, 6647, 9089, 11407, 15433, 17629, 23851, 27863, 37697, 43061, 58259, 73117, 99979, 154513, 193919, 209047, 262361, 405467, 473671, 640849, 990403, 1699643, 2299517, 2626721, 3553799, 4460137, 10894433, 28893931, 39091789, 60414583, 664560413]

約数ペア:

[(1, 664560413), (11, 60414583), (17, 39091789), (23, 28893931), (61, 10894433), (149, 4460137), (187, 3553799), (253, 2626721), (289, 2299517), (391, 1699643), (671, 990403), (1037, 640849), (1403, 473671), (1639, 405467), (2533, 262361), (3179, 209047), (3427, 193919), (4301, 154513), (6647, 99979), (9089, 73117), (11407, 58259), (15433, 43061), (17629, 37697), (23851, 27863)]