551489315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{77839}}^1$

素因数の和:77966

約数の個数: 16

約数和(自身を含む): 719241600

約数和(自身を除く): 167752285

約数列:

[1, 5, 13, 65, 109, 545, 1417, 7085, 77839, 389195, 1011907, 5059535, 8484451, 42422255, 110297863, 551489315]

約数ペア:

[(1, 551489315), (5, 110297863), (13, 42422255), (65, 8484451), (109, 5059535), (545, 1011907), (1417, 389195), (7085, 77839)]