31880706

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:611

約数の個数: 64

約数和(自身を含む): 76083840

約数和(自身を除く): 44203134

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 73, 78, 143, 146, 219, 286, 429, 438, 509, 803, 858, 949, 1018, 1527, 1606, 1898, 2409, 2847, 3054, 4818, 5599, 5694, 6617, 10439, 11198, 13234, 16797, 19851, 20878, 31317, 33594, 37157, 39702, 62634, 72787, 74314, 111471, 145574, 218361, 222942, 408727, 436722, 483041, 817454, 966082, 1226181, 1449123, 2452362, 2898246, 5313451, 10626902, 15940353, 31880706]

約数ペア:

[(1, 31880706), (2, 15940353), (3, 10626902), (6, 5313451), (11, 2898246), (13, 2452362), (22, 1449123), (26, 1226181), (33, 966082), (39, 817454), (66, 483041), (73, 436722), (78, 408727), (143, 222942), (146, 218361), (219, 145574), (286, 111471), (429, 74314), (438, 72787), (509, 62634), (803, 39702), (858, 37157), (949, 33594), (1018, 31317), (1527, 20878), (1606, 19851), (1898, 16797), (2409, 13234), (2847, 11198), (3054, 10439), (4818, 6617), (5599, 5694)]