520050083

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 643200000

約数和(自身を除く): 123149917

約数列:

[1, 7, 19, 49, 133, 199, 343, 401, 931, 1393, 2807, 3781, 6517, 7619, 9751, 19649, 26467, 53333, 68257, 79799, 137543, 185269, 373331, 558593, 1296883, 1516181, 2613317, 3910151, 10613267, 27371057, 74292869, 520050083]

約数ペア:

[(1, 520050083), (7, 74292869), (19, 27371057), (49, 10613267), (133, 3910151), (199, 2613317), (343, 1516181), (401, 1296883), (931, 558593), (1393, 373331), (2807, 185269), (3781, 137543), (6517, 79799), (7619, 68257), (9751, 53333), (19649, 26467)]