28266205

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2459}}^1$

素因数の和:2505

約数の個数: 24

約数和(自身を含む): 39261600

約数和(自身を除く): 10995395

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 605, 1045, 2299, 2459, 11495, 12295, 27049, 46721, 135245, 233605, 297539, 513931, 1487695, 2569655, 5653241, 28266205]

約数ペア:

[(1, 28266205), (5, 5653241), (11, 2569655), (19, 1487695), (55, 513931), (95, 297539), (121, 233605), (209, 135245), (605, 46721), (1045, 27049), (2299, 12295), (2459, 11495)]