204778968575

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{115368433}}^1$

素因数の和:115368514

約数の個数: 12

約数和(自身を含む): 257502344688

約数和(自身を除く): 52723376113

約数列:

[1, 5, 25, 71, 355, 1775, 115368433, 576842165, 2884210825, 8191158743, 40955793715, 204778968575]

約数ペア:

[(1, 204778968575), (5, 40955793715), (25, 8191158743), (71, 2884210825), (355, 576842165), (1775, 115368433)]