2188291

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 2807136

約数和(自身を除く): 618845

約数列:

[1, 7, 17, 37, 49, 71, 119, 259, 497, 629, 833, 1207, 1813, 2627, 3479, 4403, 8449, 18389, 30821, 44659, 59143, 128723, 312613, 2188291]

約数ペア:

[(1, 2188291), (7, 312613), (17, 128723), (37, 59143), (49, 44659), (71, 30821), (119, 18389), (259, 8449), (497, 4403), (629, 3479), (833, 2627), (1207, 1813)]