257138334

素因数分解:

$2^1\times 3^3\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 582266880

約数和(自身を除く): 325128546

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 107, 191, 214, 233, 321, 382, 466, 573, 642, 699, 963, 1146, 1398, 1719, 1926, 2097, 2889, 3438, 4194, 5157, 5778, 6291, 10314, 12582, 20437, 24931, 40874, 44503, 49862, 61311, 74793, 89006, 122622, 133509, 149586, 183933, 224379, 267018, 367866, 400527, 448758, 551799, 673137, 801054, 1103598, 1201581, 1346274, 2403162, 4761821, 9523642, 14285463, 28570926, 42856389, 85712778, 128569167, 257138334]

約数ペア:

[(1, 257138334), (2, 128569167), (3, 85712778), (6, 42856389), (9, 28570926), (18, 14285463), (27, 9523642), (54, 4761821), (107, 2403162), (191, 1346274), (214, 1201581), (233, 1103598), (321, 801054), (382, 673137), (466, 551799), (573, 448758), (642, 400527), (699, 367866), (963, 267018), (1146, 224379), (1398, 183933), (1719, 149586), (1926, 133509), (2097, 122622), (2889, 89006), (3438, 74793), (4194, 61311), (5157, 49862), (5778, 44503), (6291, 40874), (10314, 24931), (12582, 20437)]