208022017

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 253912320

約数和(自身を除く): 45890303

約数列:

[1, 7, 29, 61, 107, 157, 203, 427, 749, 1099, 1769, 3103, 4553, 6527, 9577, 12383, 16799, 21721, 31871, 45689, 67039, 117593, 189283, 277733, 487171, 1024739, 1324981, 1944131, 3410197, 7173173, 29717431, 208022017]

約数ペア:

[(1, 208022017), (7, 29717431), (29, 7173173), (61, 3410197), (107, 1944131), (157, 1324981), (203, 1024739), (427, 487171), (749, 277733), (1099, 189283), (1769, 117593), (3103, 67039), (4553, 45689), (6527, 31871), (9577, 21721), (12383, 16799)]