218218378

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 401119488

約数和(自身を除く): 182901110

約数列:

[1, 2, 7, 14, 37, 43, 74, 86, 97, 101, 194, 202, 259, 301, 518, 602, 679, 707, 1358, 1414, 1591, 3182, 3589, 3737, 4171, 4343, 7178, 7474, 8342, 8686, 9797, 11137, 19594, 22274, 25123, 26159, 29197, 30401, 50246, 52318, 58394, 60802, 68579, 137158, 154327, 160691, 308654, 321382, 362489, 421271, 724978, 842542, 1080289, 1124837, 2160578, 2249674, 2537423, 2948897, 5074846, 5897794, 15587027, 31174054, 109109189, 218218378]

約数ペア:

[(1, 218218378), (2, 109109189), (7, 31174054), (14, 15587027), (37, 5897794), (43, 5074846), (74, 2948897), (86, 2537423), (97, 2249674), (101, 2160578), (194, 1124837), (202, 1080289), (259, 842542), (301, 724978), (518, 421271), (602, 362489), (679, 321382), (707, 308654), (1358, 160691), (1414, 154327), (1591, 137158), (3182, 68579), (3589, 60802), (3737, 58394), (4171, 52318), (4343, 50246), (7178, 30401), (7474, 29197), (8342, 26159), (8686, 25123), (9797, 22274), (11137, 19594)]