28522670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1303}}^1$

素因数の和:1520

約数の個数: 32

約数和(自身を含む): 56332800

約数和(自身を除く): 27810130

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1303, 1990, 2189, 2606, 4378, 6515, 10945, 13030, 14333, 21890, 28666, 71665, 143330, 259297, 518594, 1296485, 2592970, 2852267, 5704534, 14261335, 28522670]

約数ペア:

[(1, 28522670), (2, 14261335), (5, 5704534), (10, 2852267), (11, 2592970), (22, 1296485), (55, 518594), (110, 259297), (199, 143330), (398, 71665), (995, 28666), (1303, 21890), (1990, 14333), (2189, 13030), (2606, 10945), (4378, 6515)]