81395776

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 112

約数和(自身を含む): 204825600

約数和(自身を除く): 123429824

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 83, 88, 112, 154, 166, 176, 199, 224, 308, 332, 352, 398, 448, 581, 616, 664, 704, 796, 913, 1162, 1232, 1328, 1393, 1592, 1826, 2189, 2324, 2464, 2656, 2786, 3184, 3652, 4378, 4648, 4928, 5312, 5572, 6368, 6391, 7304, 8756, 9296, 11144, 12736, 12782, 14608, 15323, 16517, 17512, 18592, 22288, 25564, 29216, 30646, 33034, 35024, 37184, 44576, 51128, 58432, 61292, 66068, 70048, 89152, 102256, 115619, 122584, 132136, 140096, 181687, 204512, 231238, 245168, 264272, 363374, 409024, 462476, 490336, 528544, 726748, 924952, 980672, 1057088, 1271809, 1453496, 1849904, 2543618, 2906992, 3699808, 5087236, 5813984, 7399616, 10174472, 11627968, 20348944, 40697888, 81395776]

約数ペア:

[(1, 81395776), (2, 40697888), (4, 20348944), (7, 11627968), (8, 10174472), (11, 7399616), (14, 5813984), (16, 5087236), (22, 3699808), (28, 2906992), (32, 2543618), (44, 1849904), (56, 1453496), (64, 1271809), (77, 1057088), (83, 980672), (88, 924952), (112, 726748), (154, 528544), (166, 490336), (176, 462476), (199, 409024), (224, 363374), (308, 264272), (332, 245168), (352, 231238), (398, 204512), (448, 181687), (581, 140096), (616, 132136), (664, 122584), (704, 115619), (796, 102256), (913, 89152), (1162, 70048), (1232, 66068), (1328, 61292), (1393, 58432), (1592, 51128), (1826, 44576), (2189, 37184), (2324, 35024), (2464, 33034), (2656, 30646), (2786, 29216), (3184, 25564), (3652, 22288), (4378, 18592), (4648, 17512), (4928, 16517), (5312, 15323), (5572, 14608), (6368, 12782), (6391, 12736), (7304, 11144), (8756, 9296)]