12890576

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{4657}}^1$

素因数の和:4838

約数の個数: 20

約数和(自身を含む): 25125252

約数和(自身を除く): 12234676

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 4657, 9314, 18628, 37256, 74512, 805661, 1611322, 3222644, 6445288, 12890576]

約数ペア:

[(1, 12890576), (2, 6445288), (4, 3222644), (8, 1611322), (16, 805661), (173, 74512), (346, 37256), (692, 18628), (1384, 9314), (2768, 4657)]