208078351

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 244944000

約数和(自身を除く): 36865649

約数列:

[1, 13, 17, 71, 89, 149, 221, 923, 1157, 1207, 1513, 1937, 2533, 6319, 10579, 13261, 15691, 19669, 32929, 82147, 107423, 137527, 172393, 179843, 225437, 941531, 1396499, 2337959, 2930681, 12239903, 16006027, 208078351]

約数ペア:

[(1, 208078351), (13, 16006027), (17, 12239903), (71, 2930681), (89, 2337959), (149, 1396499), (221, 941531), (923, 225437), (1157, 179843), (1207, 172393), (1513, 137527), (1937, 107423), (2533, 82147), (6319, 32929), (10579, 19669), (13261, 15691)]