243208511

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 331865856

約数和(自身を除く): 88657345

約数列:

[1, 7, 13, 17, 37, 49, 91, 119, 221, 259, 481, 607, 629, 637, 833, 1547, 1813, 3367, 4249, 4403, 7891, 8177, 10319, 10829, 22459, 23569, 29743, 30821, 55237, 57239, 72233, 134147, 157213, 291967, 381803, 386659, 400673, 505631, 939029, 1100491, 2043769, 2672621, 4963439, 6573203, 14306383, 18708347, 34744073, 243208511]

約数ペア:

[(1, 243208511), (7, 34744073), (13, 18708347), (17, 14306383), (37, 6573203), (49, 4963439), (91, 2672621), (119, 2043769), (221, 1100491), (259, 939029), (481, 505631), (607, 400673), (629, 386659), (637, 381803), (833, 291967), (1547, 157213), (1813, 134147), (3367, 72233), (4249, 57239), (4403, 55237), (7891, 30821), (8177, 29743), (10319, 23569), (10829, 22459)]