205280108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{108499}}^1$

素因数の和:108557

約数の個数: 24

約数和(自身を含む): 401016000

約数和(自身を除く): 195735892

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 108499, 216998, 433996, 1193489, 2386978, 4665457, 4773956, 9330914, 18661828, 51320027, 102640054, 205280108]

約数ペア:

[(1, 205280108), (2, 102640054), (4, 51320027), (11, 18661828), (22, 9330914), (43, 4773956), (44, 4665457), (86, 2386978), (172, 1193489), (473, 433996), (946, 216998), (1892, 108499)]