218596345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4421}}^1$

素因数の和:4497

約数の個数: 32

約数和(自身を含む): 305648640

約数和(自身を除く): 87052295

約数列:

[1, 5, 11, 29, 31, 55, 145, 155, 319, 341, 899, 1595, 1705, 4421, 4495, 9889, 22105, 48631, 49445, 128209, 137051, 243155, 641045, 685255, 1410299, 1507561, 3974479, 7051495, 7537805, 19872395, 43719269, 218596345]

約数ペア:

[(1, 218596345), (5, 43719269), (11, 19872395), (29, 7537805), (31, 7051495), (55, 3974479), (145, 1507561), (155, 1410299), (319, 685255), (341, 641045), (899, 243155), (1595, 137051), (1705, 128209), (4421, 49445), (4495, 48631), (9889, 22105)]