397995143

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 550674432

約数和(自身を除く): 152679289

約数列:

[1, 7, 13, 17, 31, 43, 91, 119, 193, 217, 221, 301, 403, 527, 559, 731, 1333, 1351, 1547, 2509, 2821, 3281, 3689, 3913, 5117, 5983, 6851, 8299, 9331, 9503, 17329, 17563, 22661, 22967, 41881, 42653, 47957, 58093, 66521, 77779, 101711, 107887, 121303, 141083, 158627, 257269, 294593, 298571, 544453, 711977, 755209, 987581, 1322243, 1800883, 1834079, 2062151, 3344497, 4373573, 9255701, 12838553, 23411479, 30615011, 56856449, 397995143]

約数ペア:

[(1, 397995143), (7, 56856449), (13, 30615011), (17, 23411479), (31, 12838553), (43, 9255701), (91, 4373573), (119, 3344497), (193, 2062151), (217, 1834079), (221, 1800883), (301, 1322243), (403, 987581), (527, 755209), (559, 711977), (731, 544453), (1333, 298571), (1351, 294593), (1547, 257269), (2509, 158627), (2821, 141083), (3281, 121303), (3689, 107887), (3913, 101711), (5117, 77779), (5983, 66521), (6851, 58093), (8299, 47957), (9331, 42653), (9503, 41881), (17329, 22967), (17563, 22661)]