28968712

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 55440000

約数和(自身を除く): 26471288

約数列:

[1, 2, 4, 8, 109, 139, 218, 239, 278, 436, 478, 556, 872, 956, 1112, 1912, 15151, 26051, 30302, 33221, 52102, 60604, 66442, 104204, 121208, 132884, 208408, 265768, 3621089, 7242178, 14484356, 28968712]

約数ペア:

[(1, 28968712), (2, 14484356), (4, 7242178), (8, 3621089), (109, 265768), (139, 208408), (218, 132884), (239, 121208), (278, 104204), (436, 66442), (478, 60604), (556, 52102), (872, 33221), (956, 30302), (1112, 26051), (1912, 15151)]