257929278

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^2\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 535921920

約数和(自身を除く): 277992642

約数列:

[1, 2, 3, 6, 41, 82, 107, 123, 214, 239, 246, 321, 478, 642, 717, 1434, 1681, 3362, 4387, 5043, 8774, 9799, 10086, 13161, 19598, 25573, 26322, 29397, 51146, 58794, 76719, 153438, 179867, 359734, 401759, 539601, 803518, 1048493, 1079202, 1205277, 2096986, 2410554, 3145479, 6290958, 42988213, 85976426, 128964639, 257929278]

約数ペア:

[(1, 257929278), (2, 128964639), (3, 85976426), (6, 42988213), (41, 6290958), (82, 3145479), (107, 2410554), (123, 2096986), (214, 1205277), (239, 1079202), (246, 1048493), (321, 803518), (478, 539601), (642, 401759), (717, 359734), (1434, 179867), (1681, 153438), (3362, 76719), (4387, 58794), (5043, 51146), (8774, 29397), (9799, 26322), (10086, 25573), (13161, 19598)]