28801256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{643}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 59119200

約数和(自身を除く): 30317944

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 509, 643, 1018, 1286, 2036, 2572, 4072, 5144, 5599, 7073, 11198, 14146, 22396, 28292, 44792, 56584, 327287, 654574, 1309148, 2618296, 3600157, 7200314, 14400628, 28801256]

約数ペア:

[(1, 28801256), (2, 14400628), (4, 7200314), (8, 3600157), (11, 2618296), (22, 1309148), (44, 654574), (88, 327287), (509, 56584), (643, 44792), (1018, 28292), (1286, 22396), (2036, 14146), (2572, 11198), (4072, 7073), (5144, 5599)]