287382277

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{479}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 374169600

約数和(自身を除く): 86787323

約数列:

[1, 7, 13, 19, 91, 133, 247, 347, 479, 1729, 2429, 3353, 4511, 6227, 6593, 9101, 31577, 43589, 46151, 63707, 85709, 118313, 166213, 599963, 828191, 1163491, 2160769, 3158047, 15125383, 22106329, 41054611, 287382277]

約数ペア:

[(1, 287382277), (7, 41054611), (13, 22106329), (19, 15125383), (91, 3158047), (133, 2160769), (247, 1163491), (347, 828191), (479, 599963), (1729, 166213), (2429, 118313), (3353, 85709), (4511, 63707), (6227, 46151), (6593, 43589), (9101, 31577)]