28187071

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 33439392

約数和(自身を除く): 5252321

約数列:

[1, 11, 17, 71, 121, 187, 193, 781, 1207, 2057, 2123, 3281, 8591, 13277, 13703, 23353, 36091, 146047, 150733, 232951, 397001, 1658063, 2562461, 28187071]

約数ペア:

[(1, 28187071), (11, 2562461), (17, 1658063), (71, 397001), (121, 232951), (187, 150733), (193, 146047), (781, 36091), (1207, 23353), (2057, 13703), (2123, 13277), (3281, 8591)]