1220555215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{516091}}^1$

素因数の和:516150

約数の個数: 16

約数和(自身を含む): 1634979456

約数和(自身を除く): 414424241

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 516091, 2580455, 5677001, 22191913, 28385005, 110959565, 244111043, 1220555215]

約数ペア:

[(1, 1220555215), (5, 244111043), (11, 110959565), (43, 28385005), (55, 22191913), (215, 5677001), (473, 2580455), (2365, 516091)]