16556071

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 20355840

約数和(自身を除く): 3799769

約数列:

[1, 7, 29, 49, 61, 191, 203, 427, 1337, 1421, 1769, 2989, 5539, 9359, 11651, 12383, 38773, 81557, 86681, 271411, 337879, 570899, 2365153, 16556071]

約数ペア:

[(1, 16556071), (7, 2365153), (29, 570899), (49, 337879), (61, 271411), (191, 86681), (203, 81557), (427, 38773), (1337, 12383), (1421, 11651), (1769, 9359), (2989, 5539)]