208889171953

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{61981}}^1$

素因数の和:62206

約数の個数: 48

約数和(自身を含む): 275402389248

約数和(自身を除く): 66513217295

約数列:

[1, 7, 11, 23, 77, 121, 161, 173, 253, 847, 1211, 1771, 1903, 2783, 3979, 13321, 19481, 20933, 27853, 43769, 61981, 146531, 306383, 433867, 481459, 681791, 1425563, 3370213, 4772537, 7499701, 9978941, 10722713, 15681193, 52497907, 75058991, 109768351, 117949843, 172493123, 246622399, 825648901, 1207451861, 1297448273, 1726356793, 2712846389, 9082137911, 18989924723, 29841310279, 208889171953]

約数ペア:

[(1, 208889171953), (7, 29841310279), (11, 18989924723), (23, 9082137911), (77, 2712846389), (121, 1726356793), (161, 1297448273), (173, 1207451861), (253, 825648901), (847, 246622399), (1211, 172493123), (1771, 117949843), (1903, 109768351), (2783, 75058991), (3979, 52497907), (13321, 15681193), (19481, 10722713), (20933, 9978941), (27853, 7499701), (43769, 4772537), (61981, 3370213), (146531, 1425563), (306383, 681791), (433867, 481459)]