217996909

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{919}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 239258880

約数和(自身を除く): 21261971

約数列:

[1, 13, 71, 257, 919, 923, 3341, 11947, 18247, 65249, 236183, 237211, 848237, 3070379, 16768993, 217996909]

約数ペア:

[(1, 217996909), (13, 16768993), (71, 3070379), (257, 848237), (919, 237211), (923, 236183), (3341, 65249), (11947, 18247)]