639606

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{881}}^1$

素因数の和:908

約数の個数: 24

約数和(自身を含む): 1407672

約数和(自身を除く): 768066

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 881, 1762, 2643, 5286, 9691, 19382, 29073, 58146, 106601, 213202, 319803, 639606]

約数ペア:

[(1, 639606), (2, 319803), (3, 213202), (6, 106601), (11, 58146), (22, 29073), (33, 19382), (66, 9691), (121, 5286), (242, 2643), (363, 1762), (726, 881)]