257528556

素因数分解:

$2^2\times 3^2\times {\mathrm{1237}}^1\times {\mathrm{5783}}^1$

素因数の和:7030

約数の個数: 36

約数和(自身を含む): 651613872

約数和(自身を除く): 394085316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1237, 2474, 3711, 4948, 5783, 7422, 11133, 11566, 14844, 17349, 22266, 23132, 34698, 44532, 52047, 69396, 104094, 208188, 7153571, 14307142, 21460713, 28614284, 42921426, 64382139, 85842852, 128764278, 257528556]

約数ペア:

[(1, 257528556), (2, 128764278), (3, 85842852), (4, 64382139), (6, 42921426), (9, 28614284), (12, 21460713), (18, 14307142), (36, 7153571), (1237, 208188), (2474, 104094), (3711, 69396), (4948, 52047), (5783, 44532), (7422, 34698), (11133, 23132), (11566, 22266), (14844, 17349)]