640760066

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1753}}^1\times {\mathrm{9619}}^1$

素因数の和:11393

約数の個数: 16

約数和(自身を含む): 1012408800

約数和(自身を除く): 371648734

約数列:

[1, 2, 19, 38, 1753, 3506, 9619, 19238, 33307, 66614, 182761, 365522, 16862107, 33724214, 320380033, 640760066]

約数ペア:

[(1, 640760066), (2, 320380033), (19, 33724214), (38, 16862107), (1753, 365522), (3506, 182761), (9619, 66614), (19238, 33307)]