28266931

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1451}}^1$

素因数の和:1503

約数の個数: 24

約数和(自身を含む): 37078272

約数和(自身を除く): 8811341

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1451, 1771, 2783, 10157, 15961, 19481, 33373, 111727, 175571, 233611, 367103, 1228997, 2569721, 4038133, 28266931]

約数ペア:

[(1, 28266931), (7, 4038133), (11, 2569721), (23, 1228997), (77, 367103), (121, 233611), (161, 175571), (253, 111727), (847, 33373), (1451, 19481), (1771, 15961), (2783, 10157)]