28036712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1601}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 57672000

約数和(自身を除く): 29635288

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 199, 398, 796, 1592, 1601, 2189, 3202, 4378, 6404, 8756, 12808, 17512, 17611, 35222, 70444, 140888, 318599, 637198, 1274396, 2548792, 3504589, 7009178, 14018356, 28036712]

約数ペア:

[(1, 28036712), (2, 14018356), (4, 7009178), (8, 3504589), (11, 2548792), (22, 1274396), (44, 637198), (88, 318599), (199, 140888), (398, 70444), (796, 35222), (1592, 17611), (1601, 17512), (2189, 12808), (3202, 8756), (4378, 6404)]