27438166

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 51023520

約数和(自身を除く): 23585354

約数列:

[1, 2, 7, 14, 19, 38, 61, 89, 122, 133, 178, 266, 361, 427, 623, 722, 854, 1159, 1246, 1691, 2318, 2527, 3382, 5054, 5429, 8113, 10858, 11837, 16226, 22021, 23674, 32129, 38003, 44042, 64258, 76006, 103151, 154147, 206302, 224903, 308294, 449806, 722057, 1444114, 1959869, 3919738, 13719083, 27438166]

約数ペア:

[(1, 27438166), (2, 13719083), (7, 3919738), (14, 1959869), (19, 1444114), (38, 722057), (61, 449806), (89, 308294), (122, 224903), (133, 206302), (178, 154147), (266, 103151), (361, 76006), (427, 64258), (623, 44042), (722, 38003), (854, 32129), (1159, 23674), (1246, 22021), (1691, 16226), (2318, 11837), (2527, 10858), (3382, 8113), (5054, 5429)]