12225719

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{191}}^1$

素因数の和:259

約数の個数: 18

約数和(自身を含む): 14121408

約数和(自身を除く): 1895689

約数列:

[1, 11, 23, 121, 191, 253, 529, 2101, 2783, 4393, 5819, 23111, 48323, 64009, 101039, 531553, 1111429, 12225719]

約数ペア:

[(1, 12225719), (11, 1111429), (23, 531553), (121, 101039), (191, 64009), (253, 48323), (529, 23111), (2101, 5819), (2783, 4393)]