128394054

素因数分解:

$2^1\times 3^2\times {\mathrm{421}}^1\times {\mathrm{16943}}^1$

素因数の和:17372

約数の個数: 24

約数和(自身を含む): 278864352

約数和(自身を除く): 150470298

約数列:

[1, 2, 3, 6, 9, 18, 421, 842, 1263, 2526, 3789, 7578, 16943, 33886, 50829, 101658, 152487, 304974, 7133003, 14266006, 21399009, 42798018, 64197027, 128394054]

約数ペア:

[(1, 128394054), (2, 64197027), (3, 42798018), (6, 21399009), (9, 14266006), (18, 7133003), (421, 304974), (842, 152487), (1263, 101658), (2526, 50829), (3789, 33886), (7578, 16943)]