639453782

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{283}}^1\times {\mathrm{9337}}^1$

素因数の和:9644

約数の個数: 24

約数和(自身を含む): 1058144808

約数和(自身を除く): 418691026

約数列:

[1, 2, 11, 22, 121, 242, 283, 566, 3113, 6226, 9337, 18674, 34243, 68486, 102707, 205414, 1129777, 2259554, 2642371, 5284742, 29066081, 58132162, 319726891, 639453782]

約数ペア:

[(1, 639453782), (2, 319726891), (11, 58132162), (22, 29066081), (121, 5284742), (242, 2642371), (283, 2259554), (566, 1129777), (3113, 205414), (6226, 102707), (9337, 68486), (18674, 34243)]