28568449

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 37981440

約数和(自身を除く): 9412991

約数列:

[1, 7, 13, 17, 59, 91, 119, 221, 313, 413, 767, 1003, 1547, 2191, 4069, 5321, 5369, 7021, 13039, 18467, 28483, 37247, 69173, 91273, 129269, 240071, 313939, 484211, 1680497, 2197573, 4081207, 28568449]

約数ペア:

[(1, 28568449), (7, 4081207), (13, 2197573), (17, 1680497), (59, 484211), (91, 313939), (119, 240071), (221, 129269), (313, 91273), (413, 69173), (767, 37247), (1003, 28483), (1547, 18467), (2191, 13039), (4069, 7021), (5321, 5369)]