25019335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 9195065

約数列:

[1, 5, 11, 43, 55, 71, 149, 215, 355, 473, 745, 781, 1639, 2365, 3053, 3905, 6407, 8195, 10579, 15265, 32035, 33583, 52895, 70477, 116369, 167915, 352385, 454897, 581845, 2274485, 5003867, 25019335]

約数ペア:

[(1, 25019335), (5, 5003867), (11, 2274485), (43, 581845), (55, 454897), (71, 352385), (149, 167915), (215, 116369), (355, 70477), (473, 52895), (745, 33583), (781, 32035), (1639, 15265), (2365, 10579), (3053, 8195), (3905, 6407)]