66481792

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{39953}}^1$

素因数の和:39980

約数の個数: 32

約数和(自身を含む): 142635780

約数和(自身を除く): 76153988

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 39953, 79906, 159812, 319624, 519389, 639248, 1038778, 1278496, 2077556, 2556992, 4155112, 5113984, 8310224, 16620448, 33240896, 66481792]

約数ペア:

[(1, 66481792), (2, 33240896), (4, 16620448), (8, 8310224), (13, 5113984), (16, 4155112), (26, 2556992), (32, 2077556), (52, 1278496), (64, 1038778), (104, 639248), (128, 519389), (208, 319624), (416, 159812), (832, 79906), (1664, 39953)]