2119985

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 3139560

約数和(自身を除く): 1019575

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 509, 595, 833, 2545, 3563, 4165, 8653, 17815, 24941, 43265, 60571, 124705, 302855, 423997, 2119985]

約数ペア:

[(1, 2119985), (5, 423997), (7, 302855), (17, 124705), (35, 60571), (49, 43265), (85, 24941), (119, 17815), (245, 8653), (509, 4165), (595, 3563), (833, 2545)]