198550726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{40471}}^1$

素因数の和:40707

約数の個数: 16

約数和(自身を含む): 326366208

約数和(自身を除く): 127815482

約数列:

[1, 2, 11, 22, 223, 446, 2453, 4906, 40471, 80942, 445181, 890362, 9025033, 18050066, 99275363, 198550726]

約数ペア:

[(1, 198550726), (2, 99275363), (11, 18050066), (22, 9025033), (223, 890362), (446, 445181), (2453, 80942), (4906, 40471)]