7563985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 10886400

約数和(自身を除く): 3322415

約数列:

[1, 5, 11, 13, 55, 65, 71, 143, 149, 355, 715, 745, 781, 923, 1639, 1937, 3905, 4615, 8195, 9685, 10153, 10579, 21307, 50765, 52895, 106535, 116369, 137527, 581845, 687635, 1512797, 7563985]

約数ペア:

[(1, 7563985), (5, 1512797), (11, 687635), (13, 581845), (55, 137527), (65, 116369), (71, 106535), (143, 52895), (149, 50765), (355, 21307), (715, 10579), (745, 10153), (781, 9685), (923, 8195), (1639, 4615), (1937, 3905)]