28974491

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10271}}^1$

素因数の和:10322

約数の個数: 16

約数和(自身を含む): 36814848

約数和(自身を除く): 7840357

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 10271, 71897, 133523, 318401, 934661, 2228807, 4139213, 28974491]

約数ペア:

[(1, 28974491), (7, 4139213), (13, 2228807), (31, 934661), (91, 318401), (217, 133523), (403, 71897), (2821, 10271)]