2018512321

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 2478947328

約数和(自身を除く): 460435007

約数列:

[1, 7, 43, 49, 71, 103, 131, 301, 497, 721, 917, 2107, 3053, 3479, 4429, 5047, 5633, 6419, 7313, 9301, 13493, 21371, 31003, 39431, 51191, 65107, 94451, 149597, 217021, 276017, 314459, 358337, 399943, 455749, 580199, 661157, 958003, 2201213, 2799601, 4061393, 6706021, 15408491, 19597207, 28429751, 41194129, 46942147, 288358903, 2018512321]

約数ペア:

[(1, 2018512321), (7, 288358903), (43, 46942147), (49, 41194129), (71, 28429751), (103, 19597207), (131, 15408491), (301, 6706021), (497, 4061393), (721, 2799601), (917, 2201213), (2107, 958003), (3053, 661157), (3479, 580199), (4429, 455749), (5047, 399943), (5633, 358337), (6419, 314459), (7313, 276017), (9301, 217021), (13493, 149597), (21371, 94451), (31003, 65107), (39431, 51191)]