28384433

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{821}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 35510400

約数和(自身を除く): 7125967

約数列:

[1, 7, 11, 77, 449, 821, 3143, 4939, 5747, 9031, 34573, 63217, 368629, 2580403, 4054919, 28384433]

約数ペア:

[(1, 28384433), (7, 4054919), (11, 2580403), (77, 368629), (449, 63217), (821, 34573), (3143, 9031), (4939, 5747)]