81297124

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{20183}}^1$

素因数の和:20259

約数の個数: 24

約数和(自身を含む): 152591040

約数和(自身を除く): 71293916

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 20183, 40366, 80732, 383477, 766954, 1069699, 1533908, 2139398, 4278796, 20324281, 40648562, 81297124]

約数ペア:

[(1, 81297124), (2, 40648562), (4, 20324281), (19, 4278796), (38, 2139398), (53, 1533908), (76, 1069699), (106, 766954), (212, 383477), (1007, 80732), (2014, 40366), (4028, 20183)]