28964243

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 40629600

約数和(自身を除く): 11665357

約数列:

[1, 7, 11, 17, 29, 49, 77, 109, 119, 187, 203, 319, 493, 539, 763, 833, 1199, 1309, 1421, 1853, 2233, 3161, 3451, 5341, 5423, 8393, 9163, 12971, 15631, 20383, 22127, 24157, 34771, 37961, 53737, 58751, 90797, 142681, 154889, 243397, 265727, 376159, 591107, 998767, 1703779, 2633113, 4137749, 28964243]

約数ペア:

[(1, 28964243), (7, 4137749), (11, 2633113), (17, 1703779), (29, 998767), (49, 591107), (77, 376159), (109, 265727), (119, 243397), (187, 154889), (203, 142681), (319, 90797), (493, 58751), (539, 53737), (763, 37961), (833, 34771), (1199, 24157), (1309, 22127), (1421, 20383), (1853, 15631), (2233, 12971), (3161, 9163), (3451, 8393), (5341, 5423)]