638296989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 1025187840

約数和(自身を除く): 386890851

約数列:

[1, 3, 11, 23, 29, 33, 47, 69, 87, 141, 253, 319, 517, 617, 667, 759, 957, 1081, 1363, 1551, 1851, 2001, 3243, 4089, 6787, 7337, 11891, 14191, 14993, 17893, 20361, 22011, 28999, 31349, 35673, 42573, 44979, 53679, 86997, 94047, 156101, 196823, 318989, 344839, 411539, 468303, 590469, 666977, 840971, 956967, 1034517, 1234617, 2000931, 2522913, 4526929, 7336747, 9250681, 13580787, 19342333, 22010241, 27752043, 58026999, 212765663, 638296989]

約数ペア:

[(1, 638296989), (3, 212765663), (11, 58026999), (23, 27752043), (29, 22010241), (33, 19342333), (47, 13580787), (69, 9250681), (87, 7336747), (141, 4526929), (253, 2522913), (319, 2000931), (517, 1234617), (617, 1034517), (667, 956967), (759, 840971), (957, 666977), (1081, 590469), (1363, 468303), (1551, 411539), (1851, 344839), (2001, 318989), (3243, 196823), (4089, 156101), (6787, 94047), (7337, 86997), (11891, 53679), (14191, 44979), (14993, 42573), (17893, 35673), (20361, 31349), (22011, 28999)]