205123846

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^2\times {\mathrm{641}}^1$

素因数の和:808

約数の個数: 24

約数和(自身を含む): 320586552

約数和(自身を除く): 115462706

約数列:

[1, 2, 43, 61, 86, 122, 641, 1282, 2623, 3721, 5246, 7442, 27563, 39101, 55126, 78202, 160003, 320006, 1681343, 2385161, 3362686, 4770322, 102561923, 205123846]

約数ペア:

[(1, 205123846), (2, 102561923), (43, 4770322), (61, 3362686), (86, 2385161), (122, 1681343), (641, 320006), (1282, 160003), (2623, 78202), (3721, 55126), (5246, 39101), (7442, 27563)]