28166908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{839}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 62092800

約数和(自身を除く): 33925892

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 109, 154, 218, 308, 436, 763, 839, 1199, 1526, 1678, 2398, 3052, 3356, 4796, 5873, 8393, 9229, 11746, 16786, 18458, 23492, 33572, 36916, 64603, 91451, 129206, 182902, 258412, 365804, 640157, 1005961, 1280314, 2011922, 2560628, 4023844, 7041727, 14083454, 28166908]

約数ペア:

[(1, 28166908), (2, 14083454), (4, 7041727), (7, 4023844), (11, 2560628), (14, 2011922), (22, 1280314), (28, 1005961), (44, 640157), (77, 365804), (109, 258412), (154, 182902), (218, 129206), (308, 91451), (436, 64603), (763, 36916), (839, 33572), (1199, 23492), (1526, 18458), (1678, 16786), (2398, 11746), (3052, 9229), (3356, 8393), (4796, 5873)]