4207721

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1861}}^1$

素因数の和:1904

約数の個数: 16

約数和(自身を含む): 5362560

約数和(自身を除く): 1154839

約数列:

[1, 7, 17, 19, 119, 133, 323, 1861, 2261, 13027, 31637, 35359, 221459, 247513, 601103, 4207721]

約数ペア:

[(1, 4207721), (7, 601103), (17, 247513), (19, 221459), (119, 35359), (133, 31637), (323, 13027), (1861, 2261)]