208077961

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1439}}^1$

素因数の和:1693

約数の個数: 24

約数和(自身を含む): 261999360

約数和(自身を除く): 53921399

約数列:

[1, 7, 13, 49, 91, 227, 637, 1439, 1589, 2951, 10073, 11123, 18707, 20657, 70511, 130949, 144599, 326653, 916643, 2286571, 4246489, 16005997, 29725423, 208077961]

約数ペア:

[(1, 208077961), (7, 29725423), (13, 16005997), (49, 4246489), (91, 2286571), (227, 916643), (637, 326653), (1439, 144599), (1589, 130949), (2951, 70511), (10073, 20657), (11123, 18707)]