209436241

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1709}}^1$

素因数の和:1825

約数の個数: 24

約数和(自身を含む): 253811880

約数和(自身を除く): 44375639

約数列:

[1, 7, 41, 49, 61, 287, 427, 1709, 2009, 2501, 2989, 11963, 17507, 70069, 83741, 104249, 122549, 490483, 729743, 3433381, 4274209, 5108201, 29919463, 209436241]

約数ペア:

[(1, 209436241), (7, 29919463), (41, 5108201), (49, 4274209), (61, 3433381), (287, 729743), (427, 490483), (1709, 122549), (2009, 104249), (2501, 83741), (2989, 70069), (11963, 17507)]