81039208

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 160151040

約数和(自身を除く): 79111832

約数列:

[1, 2, 4, 8, 31, 62, 83, 124, 127, 166, 248, 254, 332, 508, 664, 961, 1016, 1922, 2573, 3844, 3937, 5146, 7688, 7874, 10292, 10541, 15748, 20584, 21082, 31496, 42164, 79763, 84328, 122047, 159526, 244094, 319052, 326771, 488188, 638104, 653542, 976376, 1307084, 2614168, 10129901, 20259802, 40519604, 81039208]

約数ペア:

[(1, 81039208), (2, 40519604), (4, 20259802), (8, 10129901), (31, 2614168), (62, 1307084), (83, 976376), (124, 653542), (127, 638104), (166, 488188), (248, 326771), (254, 319052), (332, 244094), (508, 159526), (664, 122047), (961, 84328), (1016, 79763), (1922, 42164), (2573, 31496), (3844, 21082), (3937, 20584), (5146, 15748), (7688, 10541), (7874, 10292)]