28883981

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 34856640

約数和(自身を除く): 5972659

約数列:

[1, 7, 49, 59, 97, 103, 413, 679, 721, 2891, 4753, 5047, 5723, 6077, 9991, 40061, 42539, 69937, 280427, 297773, 489559, 589469, 4126283, 28883981]

約数ペア:

[(1, 28883981), (7, 4126283), (49, 589469), (59, 489559), (97, 297773), (103, 280427), (413, 69937), (679, 42539), (721, 40061), (2891, 9991), (4753, 6077), (5047, 5723)]