664402011

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{977}}^1$

素因数の和:1100

約数の個数: 64

約数和(自身を含む): 1135669248

約数和(自身を除く): 471267237

約数列:

[1, 3, 7, 13, 21, 39, 47, 53, 91, 141, 159, 273, 329, 371, 611, 689, 977, 987, 1113, 1833, 2067, 2491, 2931, 4277, 4823, 6839, 7473, 12701, 12831, 14469, 17437, 20517, 32383, 38103, 45919, 51781, 52311, 88907, 97149, 137757, 155343, 226681, 266721, 321433, 362467, 596947, 673153, 680043, 964299, 1087401, 1790841, 2019459, 2433707, 4178629, 4712071, 7301121, 12535887, 14136213, 17035949, 31638191, 51107847, 94914573, 221467337, 664402011]

約数ペア:

[(1, 664402011), (3, 221467337), (7, 94914573), (13, 51107847), (21, 31638191), (39, 17035949), (47, 14136213), (53, 12535887), (91, 7301121), (141, 4712071), (159, 4178629), (273, 2433707), (329, 2019459), (371, 1790841), (611, 1087401), (689, 964299), (977, 680043), (987, 673153), (1113, 596947), (1833, 362467), (2067, 321433), (2491, 266721), (2931, 226681), (4277, 155343), (4823, 137757), (6839, 97149), (7473, 88907), (12701, 52311), (12831, 51781), (14469, 45919), (17437, 38103), (20517, 32383)]