890243495

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{60913}}^1$

素因数の和:61034

約数の個数: 16

約数和(自身を含む): 1111071360

約数和(自身を除く): 220827865

約数列:

[1, 5, 37, 79, 185, 395, 2923, 14615, 60913, 304565, 2253781, 4812127, 11268905, 24060635, 178048699, 890243495]

約数ペア:

[(1, 890243495), (5, 178048699), (37, 24060635), (79, 11268905), (185, 4812127), (395, 2253781), (2923, 304565), (14615, 60913)]