128477292

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{248987}}^1$

素因数の和:249037

約数の個数: 24

約数和(自身を含む): 306753216

約数和(自身を除く): 178275924

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 248987, 497974, 746961, 995948, 1493922, 2987844, 10706441, 21412882, 32119323, 42825764, 64238646, 128477292]

約数ペア:

[(1, 128477292), (2, 64238646), (3, 42825764), (4, 32119323), (6, 21412882), (12, 10706441), (43, 2987844), (86, 1493922), (129, 995948), (172, 746961), (258, 497974), (516, 248987)]