290995705

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1097}}^1$

素因数の和:1186

約数の個数: 64

約数和(自身を含む): 478130688

約数和(自身を除く): 187134983

約数列:

[1, 5, 7, 11, 13, 35, 53, 55, 65, 77, 91, 143, 265, 371, 385, 455, 583, 689, 715, 1001, 1097, 1855, 2915, 3445, 4081, 4823, 5005, 5485, 7579, 7679, 12067, 14261, 20405, 24115, 37895, 38395, 53053, 58141, 60335, 71305, 84469, 99827, 156871, 265265, 290705, 406987, 422345, 499135, 639551, 755833, 784355, 1098097, 2034935, 3197755, 3779165, 4476857, 5290831, 5490485, 8314163, 22384285, 26454155, 41570815, 58199141, 290995705]

約数ペア:

[(1, 290995705), (5, 58199141), (7, 41570815), (11, 26454155), (13, 22384285), (35, 8314163), (53, 5490485), (55, 5290831), (65, 4476857), (77, 3779165), (91, 3197755), (143, 2034935), (265, 1098097), (371, 784355), (385, 755833), (455, 639551), (583, 499135), (689, 422345), (715, 406987), (1001, 290705), (1097, 265265), (1855, 156871), (2915, 99827), (3445, 84469), (4081, 71305), (4823, 60335), (5005, 58141), (5485, 53053), (7579, 38395), (7679, 37895), (12067, 24115), (14261, 20405)]