207973843

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2731}}^1$

素因数の和:2815

約数の個数: 32

約数和(自身を含む): 276959232

約数和(自身を除く): 68985389

約数列:

[1, 7, 11, 23, 43, 77, 161, 253, 301, 473, 989, 1771, 2731, 3311, 6923, 10879, 19117, 30041, 62813, 76153, 117433, 210287, 439691, 690943, 822031, 1291763, 2700959, 4836601, 9042341, 18906713, 29710549, 207973843]

約数ペア:

[(1, 207973843), (7, 29710549), (11, 18906713), (23, 9042341), (43, 4836601), (77, 2700959), (161, 1291763), (253, 822031), (301, 690943), (473, 439691), (989, 210287), (1771, 117433), (2731, 76153), (3311, 62813), (6923, 30041), (10879, 19117)]