311848384

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2411}}^1$

素因数の和:2513

約数の個数: 56

約数和(自身を含む): 646956288

約数和(自身を除く): 335107904

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 64, 86, 94, 172, 188, 344, 376, 688, 752, 1376, 1504, 2021, 2411, 2752, 3008, 4042, 4822, 8084, 9644, 16168, 19288, 32336, 38576, 64672, 77152, 103673, 113317, 129344, 154304, 207346, 226634, 414692, 453268, 829384, 906536, 1658768, 1813072, 3317536, 3626144, 4872631, 6635072, 7252288, 9745262, 19490524, 38981048, 77962096, 155924192, 311848384]

約数ペア:

[(1, 311848384), (2, 155924192), (4, 77962096), (8, 38981048), (16, 19490524), (32, 9745262), (43, 7252288), (47, 6635072), (64, 4872631), (86, 3626144), (94, 3317536), (172, 1813072), (188, 1658768), (344, 906536), (376, 829384), (688, 453268), (752, 414692), (1376, 226634), (1504, 207346), (2021, 154304), (2411, 129344), (2752, 113317), (3008, 103673), (4042, 77152), (4822, 64672), (8084, 38576), (9644, 32336), (16168, 19288)]