205655221

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 228263040

約数和(自身を除く): 22607819

約数列:

[1, 19, 41, 47, 137, 779, 893, 1681, 1927, 2603, 5617, 6439, 31939, 36613, 79007, 106723, 122341, 230297, 263999, 1501133, 4375643, 5015981, 10823959, 205655221]

約数ペア:

[(1, 205655221), (19, 10823959), (41, 5015981), (47, 4375643), (137, 1501133), (779, 263999), (893, 230297), (1681, 122341), (1927, 106723), (2603, 79007), (5617, 36613), (6439, 31939)]