28264621

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 36771840

約数和(自身を除く): 8507219

約数列:

[1, 7, 11, 41, 49, 77, 287, 451, 539, 1279, 2009, 3157, 8953, 14069, 22099, 52439, 62671, 98483, 367073, 576829, 689381, 2569511, 4037803, 28264621]

約数ペア:

[(1, 28264621), (7, 4037803), (11, 2569511), (41, 689381), (49, 576829), (77, 367073), (287, 98483), (451, 62671), (539, 52439), (1279, 22099), (2009, 14069), (3157, 8953)]