1980979693

素因数分解:

$7^3\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:911

約数の個数: 48

約数和(自身を含む): 2585520000

約数和(自身を除く): 604540307

約数列:

[1, 7, 11, 49, 59, 77, 121, 343, 413, 539, 649, 809, 847, 2891, 3773, 4543, 5663, 5929, 7139, 8899, 20237, 31801, 39641, 41503, 47731, 49973, 62293, 97889, 222607, 277487, 334117, 349811, 436051, 525041, 685223, 2338819, 2448677, 3052357, 3675287, 4796561, 5775451, 16371733, 25727009, 33575927, 40428157, 180089063, 282997099, 1980979693]

約数ペア:

[(1, 1980979693), (7, 282997099), (11, 180089063), (49, 40428157), (59, 33575927), (77, 25727009), (121, 16371733), (343, 5775451), (413, 4796561), (539, 3675287), (649, 3052357), (809, 2448677), (847, 2338819), (2891, 685223), (3773, 525041), (4543, 436051), (5663, 349811), (5929, 334117), (7139, 277487), (8899, 222607), (20237, 97889), (31801, 62293), (39641, 49973), (41503, 47731)]