87619609

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 117669888

約数和(自身を除く): 30050279

約数列:

[1, 7, 11, 31, 47, 71, 77, 121, 217, 329, 341, 497, 517, 781, 847, 1457, 2201, 2387, 3337, 3619, 3751, 5467, 5687, 8591, 10199, 15407, 16027, 23359, 24211, 26257, 36707, 39809, 60137, 103447, 112189, 169477, 176297, 256949, 266321, 403777, 724129, 1137917, 1234079, 1864247, 2826439, 7965419, 12517087, 87619609]

約数ペア:

[(1, 87619609), (7, 12517087), (11, 7965419), (31, 2826439), (47, 1864247), (71, 1234079), (77, 1137917), (121, 724129), (217, 403777), (329, 266321), (341, 256949), (497, 176297), (517, 169477), (781, 112189), (847, 103447), (1457, 60137), (2201, 39809), (2387, 36707), (3337, 26257), (3619, 24211), (3751, 23359), (5467, 16027), (5687, 15407), (8591, 10199)]