497027362

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{1999}}^1$

素因数の和:2218

約数の個数: 32

約数和(自身を含む): 820512000

約数和(自身を除く): 323484638

約数列:

[1, 2, 13, 26, 73, 131, 146, 262, 949, 1703, 1898, 1999, 3406, 3998, 9563, 19126, 25987, 51974, 124319, 145927, 248638, 261869, 291854, 523738, 1897051, 3404297, 3794102, 6808594, 19116437, 38232874, 248513681, 497027362]

約数ペア:

[(1, 497027362), (2, 248513681), (13, 38232874), (26, 19116437), (73, 6808594), (131, 3794102), (146, 3404297), (262, 1897051), (949, 523738), (1703, 291854), (1898, 261869), (1999, 248638), (3406, 145927), (3998, 124319), (9563, 51974), (19126, 25987)]