254111935

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28697}}^1$

素因数の和:28743

約数の個数: 32

約数和(自身を含む): 396721152

約数和(自身を除く): 142609217

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 8855, 28697, 143485, 200879, 315667, 660031, 1004395, 1578335, 2209669, 3300155, 4620217, 7260341, 11048345, 23101085, 36301705, 50822387, 254111935]

約数ペア:

[(1, 254111935), (5, 50822387), (7, 36301705), (11, 23101085), (23, 11048345), (35, 7260341), (55, 4620217), (77, 3300155), (115, 2209669), (161, 1578335), (253, 1004395), (385, 660031), (805, 315667), (1265, 200879), (1771, 143485), (8855, 28697)]