207580219

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:416

約数の個数: 36

約数和(自身を含む): 268306752

約数和(自身を除く): 60726533

約数列:

[1, 7, 11, 49, 77, 121, 157, 223, 539, 847, 1099, 1561, 1727, 2453, 5929, 7693, 10927, 12089, 17171, 18997, 26983, 35011, 84623, 120197, 132979, 188881, 245077, 385121, 930853, 1322167, 1715539, 2695847, 4236331, 18870929, 29654317, 207580219]

約数ペア:

[(1, 207580219), (7, 29654317), (11, 18870929), (49, 4236331), (77, 2695847), (121, 1715539), (157, 1322167), (223, 930853), (539, 385121), (847, 245077), (1099, 188881), (1561, 132979), (1727, 120197), (2453, 84623), (5929, 35011), (7693, 26983), (10927, 18997), (12089, 17171)]