81905576

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{1607}}^1$

素因数の和:1913

約数の個数: 32

約数和(自身を含む): 160928640

約数和(自身を除く): 79023064

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 277, 554, 1108, 1607, 2216, 3214, 6371, 6428, 12742, 12856, 25484, 36961, 50968, 73922, 147844, 295688, 445139, 890278, 1780556, 3561112, 10238197, 20476394, 40952788, 81905576]

約数ペア:

[(1, 81905576), (2, 40952788), (4, 20476394), (8, 10238197), (23, 3561112), (46, 1780556), (92, 890278), (184, 445139), (277, 295688), (554, 147844), (1108, 73922), (1607, 50968), (2216, 36961), (3214, 25484), (6371, 12856), (6428, 12742)]