820121275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{1058221}}^1$

素因数の和:1058262

約数の個数: 12

約数和(自身を含む): 1049756224

約数和(自身を除く): 229634949

約数列:

[1, 5, 25, 31, 155, 775, 1058221, 5291105, 26455525, 32804851, 164024255, 820121275]

約数ペア:

[(1, 820121275), (5, 164024255), (25, 32804851), (31, 26455525), (155, 5291105), (775, 1058221)]