2178724

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 3991680

約数和(自身を除く): 1812956

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 239, 478, 956, 2279, 4558, 9116, 10277, 12667, 20554, 25334, 41108, 50668, 544681, 1089362, 2178724]

約数ペア:

[(1, 2178724), (2, 1089362), (4, 544681), (43, 50668), (53, 41108), (86, 25334), (106, 20554), (172, 12667), (212, 10277), (239, 9116), (478, 4558), (956, 2279)]