259628534

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1913}}^1$

素因数の和:2156

約数の個数: 32

約数和(自身を含む): 440985600

約数和(自身を除く): 181357066

約数列:

[1, 2, 11, 22, 31, 62, 199, 341, 398, 682, 1913, 2189, 3826, 4378, 6169, 12338, 21043, 42086, 59303, 67859, 118606, 135718, 380687, 652333, 761374, 1304666, 4187557, 8375114, 11801297, 23602594, 129814267, 259628534]

約数ペア:

[(1, 259628534), (2, 129814267), (11, 23602594), (22, 11801297), (31, 8375114), (62, 4187557), (199, 1304666), (341, 761374), (398, 652333), (682, 380687), (1913, 135718), (2189, 118606), (3826, 67859), (4378, 59303), (6169, 42086), (12338, 21043)]