28205364

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1361}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 72305856

約数和(自身を除く): 44100492

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 157, 314, 471, 628, 942, 1361, 1727, 1884, 2722, 3454, 4083, 5181, 5444, 6908, 8166, 10362, 14971, 16332, 20724, 29942, 44913, 59884, 89826, 179652, 213677, 427354, 641031, 854708, 1282062, 2350447, 2564124, 4700894, 7051341, 9401788, 14102682, 28205364]

約数ペア:

[(1, 28205364), (2, 14102682), (3, 9401788), (4, 7051341), (6, 4700894), (11, 2564124), (12, 2350447), (22, 1282062), (33, 854708), (44, 641031), (66, 427354), (132, 213677), (157, 179652), (314, 89826), (471, 59884), (628, 44913), (942, 29942), (1361, 20724), (1727, 16332), (1884, 14971), (2722, 10362), (3454, 8166), (4083, 6908), (5181, 5444)]