2778488

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 5488560

約数和(自身を除く): 2710072

約数列:

[1, 2, 4, 8, 41, 43, 82, 86, 164, 172, 197, 328, 344, 394, 788, 1576, 1763, 3526, 7052, 8077, 8471, 14104, 16154, 16942, 32308, 33884, 64616, 67768, 347311, 694622, 1389244, 2778488]

約数ペア:

[(1, 2778488), (2, 1389244), (4, 694622), (8, 347311), (41, 67768), (43, 64616), (82, 33884), (86, 32308), (164, 16942), (172, 16154), (197, 14104), (328, 8471), (344, 8077), (394, 7052), (788, 3526), (1576, 1763)]