388356423

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{1499}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 650016000

約数和(自身を除く): 261659577

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 169, 219, 273, 507, 511, 949, 1183, 1499, 1533, 2847, 3549, 4497, 6643, 10493, 12337, 19487, 19929, 31479, 37011, 58461, 86359, 109427, 136409, 253331, 259077, 328281, 409227, 759993, 765989, 1422551, 1773317, 2297967, 4267653, 5319951, 9957857, 18493163, 29873571, 55479489, 129452141, 388356423]

約数ペア:

[(1, 388356423), (3, 129452141), (7, 55479489), (13, 29873571), (21, 18493163), (39, 9957857), (73, 5319951), (91, 4267653), (169, 2297967), (219, 1773317), (273, 1422551), (507, 765989), (511, 759993), (949, 409227), (1183, 328281), (1499, 259077), (1533, 253331), (2847, 136409), (3549, 109427), (4497, 86359), (6643, 58461), (10493, 37011), (12337, 31479), (19487, 19929)]