28508375

素因数分解:

$5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1051}}^1$

素因数の和:1104

約数の個数: 32

約数和(自身を含む): 42012672

約数和(自身を除く): 13504297

約数列:

[1, 5, 7, 25, 31, 35, 125, 155, 175, 217, 775, 875, 1051, 1085, 3875, 5255, 5425, 7357, 26275, 27125, 32581, 36785, 131375, 162905, 183925, 228067, 814525, 919625, 1140335, 4072625, 5701675, 28508375]

約数ペア:

[(1, 28508375), (5, 5701675), (7, 4072625), (25, 1140335), (31, 919625), (35, 814525), (125, 228067), (155, 183925), (175, 162905), (217, 131375), (775, 36785), (875, 32581), (1051, 27125), (1085, 26275), (3875, 7357), (5255, 5425)]