66656456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{490121}}^1$

素因数の和:490144

約数の個数: 16

約数和(自身を含む): 132332940

約数和(自身を除く): 65676484

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 490121, 980242, 1960484, 3920968, 8332057, 16664114, 33328228, 66656456]

約数ペア:

[(1, 66656456), (2, 33328228), (4, 16664114), (8, 8332057), (17, 3920968), (34, 1960484), (68, 980242), (136, 490121)]