66875648

素因数分解:

$2^8\times 7^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 155115072

約数和(自身を除く): 88239424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 128, 134, 224, 256, 268, 448, 469, 536, 557, 896, 938, 1072, 1114, 1792, 1876, 2144, 2228, 3752, 3899, 4288, 4456, 7504, 7798, 8576, 8912, 15008, 15596, 17152, 17824, 30016, 31192, 35648, 37319, 60032, 62384, 71296, 74638, 120064, 124768, 142592, 149276, 249536, 261233, 298552, 499072, 522466, 597104, 998144, 1044932, 1194208, 2089864, 2388416, 4179728, 4776832, 8359456, 9553664, 16718912, 33437824, 66875648]

約数ペア:

[(1, 66875648), (2, 33437824), (4, 16718912), (7, 9553664), (8, 8359456), (14, 4776832), (16, 4179728), (28, 2388416), (32, 2089864), (56, 1194208), (64, 1044932), (67, 998144), (112, 597104), (128, 522466), (134, 499072), (224, 298552), (256, 261233), (268, 249536), (448, 149276), (469, 142592), (536, 124768), (557, 120064), (896, 74638), (938, 71296), (1072, 62384), (1114, 60032), (1792, 37319), (1876, 35648), (2144, 31192), (2228, 30016), (3752, 17824), (3899, 17152), (4288, 15596), (4456, 15008), (7504, 8912), (7798, 8576)]