1864247

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 24

約数和(自身を含む): 2451456

約数和(自身を除く): 587209

約数列:

[1, 7, 11, 31, 71, 77, 121, 217, 341, 497, 781, 847, 2201, 2387, 3751, 5467, 8591, 15407, 24211, 26257, 60137, 169477, 266321, 1864247]

約数ペア:

[(1, 1864247), (7, 266321), (11, 169477), (31, 60137), (71, 26257), (77, 24211), (121, 15407), (217, 8591), (341, 5467), (497, 3751), (781, 2387), (847, 2201)]