209938148

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{28949}}^1$

素因数の和:29004

約数の個数: 36

約数和(自身を含む): 438939900

約数和(自身を除く): 229001752

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 3626, 7252, 28949, 57898, 115796, 202643, 405286, 810572, 1071113, 1418501, 2142226, 2837002, 4284452, 5674004, 7497791, 14995582, 29991164, 52484537, 104969074, 209938148]

約数ペア:

[(1, 209938148), (2, 104969074), (4, 52484537), (7, 29991164), (14, 14995582), (28, 7497791), (37, 5674004), (49, 4284452), (74, 2837002), (98, 2142226), (148, 1418501), (196, 1071113), (259, 810572), (518, 405286), (1036, 202643), (1813, 115796), (3626, 57898), (7252, 28949)]