81283328

素因数分解:

$2^8\times 7^1\times {\mathrm{67}}^1\times {\mathrm{677}}^1$

素因数の和:767

約数の個数: 72

約数和(自身を含む): 188473152

約数和(自身を除く): 107189824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 128, 134, 224, 256, 268, 448, 469, 536, 677, 896, 938, 1072, 1354, 1792, 1876, 2144, 2708, 3752, 4288, 4739, 5416, 7504, 8576, 9478, 10832, 15008, 17152, 18956, 21664, 30016, 37912, 43328, 45359, 60032, 75824, 86656, 90718, 120064, 151648, 173312, 181436, 303296, 317513, 362872, 606592, 635026, 725744, 1213184, 1270052, 1451488, 2540104, 2902976, 5080208, 5805952, 10160416, 11611904, 20320832, 40641664, 81283328]

約数ペア:

[(1, 81283328), (2, 40641664), (4, 20320832), (7, 11611904), (8, 10160416), (14, 5805952), (16, 5080208), (28, 2902976), (32, 2540104), (56, 1451488), (64, 1270052), (67, 1213184), (112, 725744), (128, 635026), (134, 606592), (224, 362872), (256, 317513), (268, 303296), (448, 181436), (469, 173312), (536, 151648), (677, 120064), (896, 90718), (938, 86656), (1072, 75824), (1354, 60032), (1792, 45359), (1876, 43328), (2144, 37912), (2708, 30016), (3752, 21664), (4288, 18956), (4739, 17152), (5416, 15008), (7504, 10832), (8576, 9478)]