208809095

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{345139}}^1$

素因数の和:345166

約数の個数: 12

約数和(自身を含む): 275421720

約数和(自身を除く): 66612625

約数列:

[1, 5, 11, 55, 121, 605, 345139, 1725695, 3796529, 18982645, 41761819, 208809095]

約数ペア:

[(1, 208809095), (5, 41761819), (11, 18982645), (55, 3796529), (121, 1725695), (605, 345139)]