31256478

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 72

約数和(自身を含む): 75688704

約数和(自身を除く): 44432226

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 113, 121, 127, 198, 226, 242, 254, 339, 363, 381, 678, 726, 762, 1017, 1089, 1143, 1243, 1397, 2034, 2178, 2286, 2486, 2794, 3729, 4191, 7458, 8382, 11187, 12573, 13673, 14351, 15367, 22374, 25146, 27346, 28702, 30734, 41019, 43053, 46101, 82038, 86106, 92202, 123057, 129159, 138303, 157861, 246114, 258318, 276606, 315722, 473583, 947166, 1420749, 1736471, 2841498, 3472942, 5209413, 10418826, 15628239, 31256478]

約数ペア:

[(1, 31256478), (2, 15628239), (3, 10418826), (6, 5209413), (9, 3472942), (11, 2841498), (18, 1736471), (22, 1420749), (33, 947166), (66, 473583), (99, 315722), (113, 276606), (121, 258318), (127, 246114), (198, 157861), (226, 138303), (242, 129159), (254, 123057), (339, 92202), (363, 86106), (381, 82038), (678, 46101), (726, 43053), (762, 41019), (1017, 30734), (1089, 28702), (1143, 27346), (1243, 25146), (1397, 22374), (2034, 15367), (2178, 14351), (2286, 13673), (2486, 12573), (2794, 11187), (3729, 8382), (4191, 7458)]