81329512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21493}}^1$

素因数の和:21553

約数の個数: 32

約数和(自身を含む): 170232480

約数和(自身を除く): 88902968

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 21493, 42986, 85972, 171944, 236423, 472846, 924199, 945692, 1848398, 1891384, 3696796, 7393592, 10166189, 20332378, 40664756, 81329512]

約数ペア:

[(1, 81329512), (2, 40664756), (4, 20332378), (8, 10166189), (11, 7393592), (22, 3696796), (43, 1891384), (44, 1848398), (86, 945692), (88, 924199), (172, 472846), (344, 236423), (473, 171944), (946, 85972), (1892, 42986), (3784, 21493)]