28252217

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1087}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 33423360

約数和(自身を除く): 5171143

約数列:

[1, 7, 47, 79, 329, 553, 1087, 3713, 7609, 25991, 51089, 85873, 357623, 601111, 4036031, 28252217]

約数ペア:

[(1, 28252217), (7, 4036031), (47, 601111), (79, 357623), (329, 85873), (553, 51089), (1087, 25991), (3713, 7609)]