1990604

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 4548096

約数和(自身を除く): 2557492

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 281, 308, 322, 506, 562, 644, 1012, 1124, 1771, 1967, 3091, 3542, 3934, 6182, 6463, 7084, 7868, 12364, 12926, 21637, 25852, 43274, 45241, 71093, 86548, 90482, 142186, 180964, 284372, 497651, 995302, 1990604]

約数ペア:

[(1, 1990604), (2, 995302), (4, 497651), (7, 284372), (11, 180964), (14, 142186), (22, 90482), (23, 86548), (28, 71093), (44, 45241), (46, 43274), (77, 25852), (92, 21637), (154, 12926), (161, 12364), (253, 7868), (281, 7084), (308, 6463), (322, 6182), (506, 3934), (562, 3542), (644, 3091), (1012, 1967), (1124, 1771)]