421556426

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{10487}}^1$

素因数の和:10789

約数の個数: 16

約数和(自身を含む): 641865600

約数和(自身を除く): 220309174

約数列:

[1, 2, 101, 199, 202, 398, 10487, 20099, 20974, 40198, 1059187, 2086913, 2118374, 4173826, 210778213, 421556426]

約数ペア:

[(1, 421556426), (2, 210778213), (101, 4173826), (199, 2118374), (202, 2086913), (398, 1059187), (10487, 40198), (20099, 20974)]