209213026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 347561280

約数和(自身を除く): 138348254

約数列:

[1, 2, 11, 22, 131, 229, 262, 317, 458, 634, 1441, 2519, 2882, 3487, 5038, 6974, 29999, 41527, 59998, 72593, 83054, 145186, 329989, 456797, 659978, 798523, 913594, 1597046, 9509683, 19019366, 104606513, 209213026]

約数ペア:

[(1, 209213026), (2, 104606513), (11, 19019366), (22, 9509683), (131, 1597046), (229, 913594), (262, 798523), (317, 659978), (458, 456797), (634, 329989), (1441, 145186), (2519, 83054), (2882, 72593), (3487, 59998), (5038, 41527), (6974, 29999)]