27857788168

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{391393}}^1$

素因数の和:391478

約数の個数: 64

約数和(自身を含む): 63124024320

約数和(自身を除く): 35266236152

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 41, 56, 62, 82, 124, 164, 217, 248, 287, 328, 434, 574, 868, 1148, 1271, 1736, 2296, 2542, 5084, 8897, 10168, 17794, 35588, 71176, 391393, 782786, 1565572, 2739751, 3131144, 5479502, 10959004, 12133183, 16047113, 21918008, 24266366, 32094226, 48532732, 64188452, 84932281, 97065464, 112329791, 128376904, 169864562, 224659582, 339729124, 449319164, 497460503, 679458248, 898638328, 994921006, 1989842012, 3482223521, 3979684024, 6964447042, 13928894084, 27857788168]

約数ペア:

[(1, 27857788168), (2, 13928894084), (4, 6964447042), (7, 3979684024), (8, 3482223521), (14, 1989842012), (28, 994921006), (31, 898638328), (41, 679458248), (56, 497460503), (62, 449319164), (82, 339729124), (124, 224659582), (164, 169864562), (217, 128376904), (248, 112329791), (287, 97065464), (328, 84932281), (434, 64188452), (574, 48532732), (868, 32094226), (1148, 24266366), (1271, 21918008), (1736, 16047113), (2296, 12133183), (2542, 10959004), (5084, 5479502), (8897, 3131144), (10168, 2739751), (17794, 1565572), (35588, 782786), (71176, 391393)]