66478643

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4253}}^1$

素因数の和:4307

約数の個数: 24

約数和(自身を含む): 87292080

約数和(自身を除く): 20813437

約数列:

[1, 7, 11, 29, 49, 77, 203, 319, 539, 1421, 2233, 4253, 15631, 29771, 46783, 123337, 208397, 327481, 863359, 1356707, 2292367, 6043513, 9496949, 66478643]

約数ペア:

[(1, 66478643), (7, 9496949), (11, 6043513), (29, 2292367), (49, 1356707), (77, 863359), (203, 327481), (319, 208397), (539, 123337), (1421, 46783), (2233, 29771), (4253, 15631)]