205466513

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 260029440

約数和(自身を除く): 54562927

約数列:

[1, 7, 19, 37, 43, 133, 259, 301, 703, 817, 971, 1591, 4921, 5719, 6797, 11137, 18449, 30229, 35927, 41753, 129143, 211603, 251489, 292271, 682613, 793307, 1544861, 4778291, 5553149, 10814027, 29352359, 205466513]

約数ペア:

[(1, 205466513), (7, 29352359), (19, 10814027), (37, 5553149), (43, 4778291), (133, 1544861), (259, 793307), (301, 682613), (703, 292271), (817, 251489), (971, 211603), (1591, 129143), (4921, 41753), (5719, 35927), (6797, 30229), (11137, 18449)]