66640408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{490003}}^1$

素因数の和:490026

約数の個数: 16

約数和(自身を含む): 132301080

約数和(自身を除く): 65660672

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 490003, 980006, 1960012, 3920024, 8330051, 16660102, 33320204, 66640408]

約数ペア:

[(1, 66640408), (2, 33320204), (4, 16660102), (8, 8330051), (17, 3920024), (34, 1960012), (68, 980006), (136, 490003)]