285243568

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{128257}}^1$

素因数の和:128404

約数の個数: 20

約数和(自身を含む): 556639720

約数和(自身を除く): 271396152

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 128257, 256514, 513028, 1026056, 2052112, 17827723, 35655446, 71310892, 142621784, 285243568]

約数ペア:

[(1, 285243568), (2, 142621784), (4, 71310892), (8, 35655446), (16, 17827723), (139, 2052112), (278, 1026056), (556, 513028), (1112, 256514), (2224, 128257)]