209938904

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197311}}^1$

素因数の和:197343

約数の個数: 32

約数和(自身を含む): 473548800

約数和(自身を除く): 263609896

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 197311, 394622, 789244, 1381177, 1578488, 2762354, 3748909, 5524708, 7497818, 11049416, 14995636, 26242363, 29991272, 52484726, 104969452, 209938904]

約数ペア:

[(1, 209938904), (2, 104969452), (4, 52484726), (7, 29991272), (8, 26242363), (14, 14995636), (19, 11049416), (28, 7497818), (38, 5524708), (56, 3748909), (76, 2762354), (133, 1578488), (152, 1381177), (266, 789244), (532, 394622), (1064, 197311)]