78164884

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{64921}}^1$

素因数の和:64975

約数の個数: 24

約数和(自身を含む): 159967808

約数和(自身を除く): 81802924

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 64921, 129842, 259684, 454447, 908894, 1817788, 2791603, 5583206, 11166412, 19541221, 39082442, 78164884]

約数ペア:

[(1, 78164884), (2, 39082442), (4, 19541221), (7, 11166412), (14, 5583206), (28, 2791603), (43, 1817788), (86, 908894), (172, 454447), (301, 259684), (602, 129842), (1204, 64921)]