28403249

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{709}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 33398400

約数和(自身を除く): 4995151

約数列:

[1, 7, 59, 97, 413, 679, 709, 4963, 5723, 40061, 41831, 68773, 292817, 481411, 4057607, 28403249]

約数ペア:

[(1, 28403249), (7, 4057607), (59, 481411), (97, 292817), (413, 68773), (679, 41831), (709, 40061), (4963, 5723)]