205969712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{990239}}^1$

素因数の和:990260

約数の個数: 20

約数和(自身を含む): 429764160

約数和(自身を除く): 223794448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 990239, 1980478, 3960956, 7921912, 12873107, 15843824, 25746214, 51492428, 102984856, 205969712]

約数ペア:

[(1, 205969712), (2, 102984856), (4, 51492428), (8, 25746214), (13, 15843824), (16, 12873107), (26, 7921912), (52, 3960956), (104, 1980478), (208, 990239)]