207157643

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{457}}^1$

素因数の和:540

約数の個数: 36

約数和(自身を含む): 272859912

約数和(自身を除く): 65702269

約数列:

[1, 7, 11, 29, 49, 77, 203, 319, 457, 539, 841, 1421, 2233, 3199, 5027, 5887, 9251, 13253, 15631, 22393, 35189, 41209, 64757, 92771, 145783, 246323, 384337, 453299, 649397, 1020481, 2690359, 4227707, 7143367, 18832513, 29593949, 207157643]

約数ペア:

[(1, 207157643), (7, 29593949), (11, 18832513), (29, 7143367), (49, 4227707), (77, 2690359), (203, 1020481), (319, 649397), (457, 453299), (539, 384337), (841, 246323), (1421, 145783), (2233, 92771), (3199, 64757), (5027, 41209), (5887, 35189), (9251, 22393), (13253, 15631)]