2881109

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 32

約数和(自身を含む): 3981312

約数和(自身を除く): 1100203

約数列:

[1, 7, 11, 17, 31, 71, 77, 119, 187, 217, 341, 497, 527, 781, 1207, 1309, 2201, 2387, 3689, 5467, 5797, 8449, 13277, 15407, 24211, 37417, 40579, 92939, 169477, 261919, 411587, 2881109]

約数ペア:

[(1, 2881109), (7, 411587), (11, 261919), (17, 169477), (31, 92939), (71, 40579), (77, 37417), (119, 24211), (187, 15407), (217, 13277), (341, 8449), (497, 5797), (527, 5467), (781, 3689), (1207, 2387), (1309, 2201)]