289932872

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{2053}}^1$

素因数の和:2325

約数の個数: 32

約数和(自身を含む): 552115200

約数和(自身を除く): 262182328

約数列:

[1, 2, 4, 8, 127, 139, 254, 278, 508, 556, 1016, 1112, 2053, 4106, 8212, 16424, 17653, 35306, 70612, 141224, 260731, 285367, 521462, 570734, 1042924, 1141468, 2085848, 2282936, 36241609, 72483218, 144966436, 289932872]

約数ペア:

[(1, 289932872), (2, 144966436), (4, 72483218), (8, 36241609), (127, 2282936), (139, 2085848), (254, 1141468), (278, 1042924), (508, 570734), (556, 521462), (1016, 285367), (1112, 260731), (2053, 141224), (4106, 70612), (8212, 35306), (16424, 17653)]