257465286

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1100279}}^1$

素因数の和:1100300

約数の個数: 24

約数和(自身を含む): 600752880

約数和(自身を除く): 343287594

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1100279, 2200558, 3300837, 6601674, 9902511, 14303627, 19805022, 28607254, 42910881, 85821762, 128732643, 257465286]

約数ペア:

[(1, 257465286), (2, 128732643), (3, 85821762), (6, 42910881), (9, 28607254), (13, 19805022), (18, 14303627), (26, 9902511), (39, 6601674), (78, 3300837), (117, 2200558), (234, 1100279)]