259696009

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 287809920

約数和(自身を除く): 28113911

約数列:

[1, 19, 41, 47, 173, 779, 893, 1681, 1927, 3287, 7093, 8131, 31939, 36613, 79007, 134767, 154489, 290813, 333371, 1501133, 5525447, 6334049, 13668211, 259696009]

約数ペア:

[(1, 259696009), (19, 13668211), (41, 6334049), (47, 5525447), (173, 1501133), (779, 333371), (893, 290813), (1681, 154489), (1927, 134767), (3287, 79007), (7093, 36613), (8131, 31939)]