81571199

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 91732608

約数和(自身を除く): 10161409

約数列:

[1, 19, 31, 37, 197, 361, 589, 703, 1147, 3743, 6107, 7289, 11191, 13357, 21793, 71117, 116033, 138491, 225959, 414067, 2204627, 2631329, 4293221, 81571199]

約数ペア:

[(1, 81571199), (19, 4293221), (31, 2631329), (37, 2204627), (197, 414067), (361, 225959), (589, 138491), (703, 116033), (1147, 71117), (3743, 21793), (6107, 13357), (7289, 11191)]