66665816

素因数分解:

$2^3\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1801}}^1$

素因数の和:2475

約数の個数: 32

約数和(自身を含む): 143150880

約数和(自身を除く): 76485064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 661, 1322, 1801, 2644, 3602, 4627, 5288, 7204, 9254, 12607, 14408, 18508, 25214, 37016, 50428, 100856, 1190461, 2380922, 4761844, 8333227, 9523688, 16666454, 33332908, 66665816]

約数ペア:

[(1, 66665816), (2, 33332908), (4, 16666454), (7, 9523688), (8, 8333227), (14, 4761844), (28, 2380922), (56, 1190461), (661, 100856), (1322, 50428), (1801, 37016), (2644, 25214), (3602, 18508), (4627, 14408), (5288, 12607), (7204, 9254)]