257920206

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1868987}}^1$

素因数の和:1869015

約数の個数: 16

約数和(自身を含む): 538268544

約数和(自身を除く): 280348338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 1868987, 3737974, 5606961, 11213922, 42986701, 85973402, 128960103, 257920206]

約数ペア:

[(1, 257920206), (2, 128960103), (3, 85973402), (6, 42986701), (23, 11213922), (46, 5606961), (69, 3737974), (138, 1868987)]