66884584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{643121}}^1$

素因数の和:643140

約数の個数: 16

約数和(自身を含む): 135055620

約数和(自身を除く): 68171036

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 643121, 1286242, 2572484, 5144968, 8360573, 16721146, 33442292, 66884584]

約数ペア:

[(1, 66884584), (2, 33442292), (4, 16721146), (8, 8360573), (13, 5144968), (26, 2572484), (52, 1286242), (104, 643121)]