28200731

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 34406400

約数和(自身を除く): 6205669

約数列:

[1, 13, 19, 29, 31, 127, 247, 377, 403, 551, 589, 899, 1651, 2413, 3683, 3937, 7163, 7657, 11687, 17081, 31369, 47879, 51181, 69977, 74803, 114173, 222053, 909701, 972439, 1484249, 2169287, 28200731]

約数ペア:

[(1, 28200731), (13, 2169287), (19, 1484249), (29, 972439), (31, 909701), (127, 222053), (247, 114173), (377, 74803), (403, 69977), (551, 51181), (589, 47879), (899, 31369), (1651, 17081), (2413, 11687), (3683, 7657), (3937, 7163)]