209617055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{599}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 279936000

約数和(自身を除く): 70318945

約数列:

[1, 5, 17, 23, 85, 115, 179, 391, 599, 895, 1955, 2995, 3043, 4117, 10183, 13777, 15215, 20585, 50915, 68885, 69989, 107221, 234209, 349945, 536105, 1171045, 1822757, 2466083, 9113785, 12330415, 41923411, 209617055]

約数ペア:

[(1, 209617055), (5, 41923411), (17, 12330415), (23, 9113785), (85, 2466083), (115, 1822757), (179, 1171045), (391, 536105), (599, 349945), (895, 234209), (1955, 107221), (2995, 69989), (3043, 68885), (4117, 50915), (10183, 20585), (13777, 15215)]