211780495906

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{23011}}^1$

素因数の和:23335

約数の個数: 64

約数和(自身を含む): 377924050944

約数和(自身を除く): 166143555038

約数列:

[1, 2, 7, 14, 47, 71, 94, 142, 197, 329, 394, 497, 658, 994, 1379, 2758, 3337, 6674, 9259, 13987, 18518, 23011, 23359, 27974, 46022, 46718, 64813, 97909, 129626, 161077, 195818, 322154, 657389, 1081517, 1314778, 1633781, 2163034, 3267562, 4533167, 4601723, 7570619, 9066334, 9203446, 11436467, 15141238, 22872934, 31732169, 63464338, 76787707, 153575414, 213058849, 321854857, 426117698, 537513949, 643709714, 1075027898, 1491411943, 2252983999, 2982823886, 4505967998, 15127178279, 30254356558, 105890247953, 211780495906]

約数ペア:

[(1, 211780495906), (2, 105890247953), (7, 30254356558), (14, 15127178279), (47, 4505967998), (71, 2982823886), (94, 2252983999), (142, 1491411943), (197, 1075027898), (329, 643709714), (394, 537513949), (497, 426117698), (658, 321854857), (994, 213058849), (1379, 153575414), (2758, 76787707), (3337, 63464338), (6674, 31732169), (9259, 22872934), (13987, 15141238), (18518, 11436467), (23011, 9203446), (23359, 9066334), (27974, 7570619), (46022, 4601723), (46718, 4533167), (64813, 3267562), (97909, 2163034), (129626, 1633781), (161077, 1314778), (195818, 1081517), (322154, 657389)]