217311275

素因数分解:

$5^2\times {\mathrm{41}}^2\times {\mathrm{5171}}^1$

素因数の和:5263

約数の個数: 18

約数和(自身を含む): 276252036

約数和(自身を除く): 58940761

約数列:

[1, 5, 25, 41, 205, 1025, 1681, 5171, 8405, 25855, 42025, 129275, 212011, 1060055, 5300275, 8692451, 43462255, 217311275]

約数ペア:

[(1, 217311275), (5, 43462255), (25, 8692451), (41, 5300275), (205, 1060055), (1025, 212011), (1681, 129275), (5171, 42025), (8405, 25855)]