1538884

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 2882880

約数和(自身を除く): 1343996

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 389, 778, 989, 1556, 1978, 3956, 8947, 16727, 17894, 33454, 35788, 66908, 384721, 769442, 1538884]

約数ペア:

[(1, 1538884), (2, 769442), (4, 384721), (23, 66908), (43, 35788), (46, 33454), (86, 17894), (92, 16727), (172, 8947), (389, 3956), (778, 1978), (989, 1556)]