639306924

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{1718567}}^1$

素因数の和:1718605

約数の個数: 24

約数和(自身を含む): 1539836928

約数和(自身を除く): 900530004

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 1718567, 3437134, 5155701, 6874268, 10311402, 20622804, 53275577, 106551154, 159826731, 213102308, 319653462, 639306924]

約数ペア:

[(1, 639306924), (2, 319653462), (3, 213102308), (4, 159826731), (6, 106551154), (12, 53275577), (31, 20622804), (62, 10311402), (93, 6874268), (124, 5155701), (186, 3437134), (372, 1718567)]