28756464

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 81959040

約数和(自身を除く): 53202576

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 107, 132, 176, 214, 264, 321, 428, 509, 528, 642, 856, 1018, 1177, 1284, 1527, 1712, 2036, 2354, 2568, 3054, 3531, 4072, 4708, 5136, 5599, 6108, 7062, 8144, 9416, 11198, 12216, 14124, 16797, 18832, 22396, 24432, 28248, 33594, 44792, 54463, 56496, 67188, 89584, 108926, 134376, 163389, 217852, 268752, 326778, 435704, 599093, 653556, 871408, 1198186, 1307112, 1797279, 2396372, 2614224, 3594558, 4792744, 7189116, 9585488, 14378232, 28756464]

約数ペア:

[(1, 28756464), (2, 14378232), (3, 9585488), (4, 7189116), (6, 4792744), (8, 3594558), (11, 2614224), (12, 2396372), (16, 1797279), (22, 1307112), (24, 1198186), (33, 871408), (44, 653556), (48, 599093), (66, 435704), (88, 326778), (107, 268752), (132, 217852), (176, 163389), (214, 134376), (264, 108926), (321, 89584), (428, 67188), (509, 56496), (528, 54463), (642, 44792), (856, 33594), (1018, 28248), (1177, 24432), (1284, 22396), (1527, 18832), (1712, 16797), (2036, 14124), (2354, 12216), (2568, 11198), (3054, 9416), (3531, 8144), (4072, 7062), (4708, 6108), (5136, 5599)]