643214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1$

素因数の和:212

約数の個数: 24

約数和(自身を含む): 1146312

約数和(自身を除く): 503098

約数列:

[1, 2, 11, 13, 22, 26, 143, 169, 173, 286, 338, 346, 1859, 1903, 2249, 3718, 3806, 4498, 24739, 29237, 49478, 58474, 321607, 643214]

約数ペア:

[(1, 643214), (2, 321607), (11, 58474), (13, 49478), (22, 29237), (26, 24739), (143, 4498), (169, 3806), (173, 3718), (286, 2249), (338, 1903), (346, 1859)]