81544856

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1063}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 157301760

約数和(自身を除く): 75756904

約数列:

[1, 2, 4, 8, 43, 86, 172, 223, 344, 446, 892, 1063, 1784, 2126, 4252, 8504, 9589, 19178, 38356, 45709, 76712, 91418, 182836, 237049, 365672, 474098, 948196, 1896392, 10193107, 20386214, 40772428, 81544856]

約数ペア:

[(1, 81544856), (2, 40772428), (4, 20386214), (8, 10193107), (43, 1896392), (86, 948196), (172, 474098), (223, 365672), (344, 237049), (446, 182836), (892, 91418), (1063, 76712), (1784, 45709), (2126, 38356), (4252, 19178), (8504, 9589)]