12390565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 17418240

約数和(自身を除く): 5027675

約数列:

[1, 5, 11, 19, 55, 71, 95, 167, 209, 355, 781, 835, 1045, 1349, 1837, 3173, 3905, 6745, 9185, 11857, 14839, 15865, 34903, 59285, 74195, 130427, 174515, 225283, 652135, 1126415, 2478113, 12390565]

約数ペア:

[(1, 12390565), (5, 2478113), (11, 1126415), (19, 652135), (55, 225283), (71, 174515), (95, 130427), (167, 74195), (209, 59285), (355, 34903), (781, 15865), (835, 14839), (1045, 11857), (1349, 9185), (1837, 6745), (3173, 3905)]