205121147

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{947}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 267563520

約数和(自身を除く): 62442373

約数列:

[1, 7, 11, 29, 77, 97, 203, 319, 679, 947, 1067, 2233, 2813, 6629, 7469, 10417, 19691, 27463, 30943, 72919, 91859, 192241, 216601, 302093, 643013, 1010449, 2114651, 2663911, 7073143, 18647377, 29303021, 205121147]

約数ペア:

[(1, 205121147), (7, 29303021), (11, 18647377), (29, 7073143), (77, 2663911), (97, 2114651), (203, 1010449), (319, 643013), (679, 302093), (947, 216601), (1067, 192241), (2233, 91859), (2813, 72919), (6629, 30943), (7469, 27463), (10417, 19691)]