12882205

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{383}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 18302976

約数和(自身を除く): 5420771

約数列:

[1, 5, 7, 31, 35, 155, 217, 383, 961, 1085, 1915, 2681, 4805, 6727, 11873, 13405, 33635, 59365, 83111, 368063, 415555, 1840315, 2576441, 12882205]

約数ペア:

[(1, 12882205), (5, 2576441), (7, 1840315), (31, 415555), (35, 368063), (155, 83111), (217, 59365), (383, 33635), (961, 13405), (1085, 11873), (1915, 6727), (2681, 4805)]