814339981

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 1108800000

約数和(自身を除く): 294460019

約数列:

[1, 7, 13, 19, 29, 91, 109, 133, 149, 203, 247, 377, 551, 763, 1043, 1417, 1729, 1937, 2071, 2639, 2831, 3161, 3857, 4321, 7163, 9919, 13559, 14497, 16241, 19817, 22127, 26923, 30247, 36803, 41093, 50141, 56173, 60059, 82099, 113687, 188461, 211133, 257621, 287651, 308579, 393211, 420413, 470989, 574693, 780767, 1067287, 1477931, 2160053, 3296923, 4011527, 5465369, 6122857, 7471009, 8948791, 28080689, 42859999, 62641537, 116334283, 814339981]

約数ペア:

[(1, 814339981), (7, 116334283), (13, 62641537), (19, 42859999), (29, 28080689), (91, 8948791), (109, 7471009), (133, 6122857), (149, 5465369), (203, 4011527), (247, 3296923), (377, 2160053), (551, 1477931), (763, 1067287), (1043, 780767), (1417, 574693), (1729, 470989), (1937, 420413), (2071, 393211), (2639, 308579), (2831, 287651), (3161, 257621), (3857, 211133), (4321, 188461), (7163, 113687), (9919, 82099), (13559, 60059), (14497, 56173), (16241, 50141), (19817, 41093), (22127, 36803), (26923, 30247)]