256787212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{29327}}^1$

素因数の和:29541

約数の個数: 24

約数和(自身を含む): 492710400

約数和(自身を除く): 235923188

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2189, 4378, 8756, 29327, 58654, 117308, 322597, 645194, 1290388, 5836073, 11672146, 23344292, 64196803, 128393606, 256787212]

約数ペア:

[(1, 256787212), (2, 128393606), (4, 64196803), (11, 23344292), (22, 11672146), (44, 5836073), (199, 1290388), (398, 645194), (796, 322597), (2189, 117308), (4378, 58654), (8756, 29327)]