664591345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{1481}}^1$

素因数の和:1737

約数の個数: 32

約数和(自身を含む): 896313600

約数和(自身を除く): 231722255

約数列:

[1, 5, 11, 41, 55, 199, 205, 451, 995, 1481, 2189, 2255, 7405, 8159, 10945, 16291, 40795, 60721, 81455, 89749, 294719, 303605, 448745, 667931, 1473595, 3241909, 3339655, 12083479, 16209545, 60417395, 132918269, 664591345]

約数ペア:

[(1, 664591345), (5, 132918269), (11, 60417395), (41, 16209545), (55, 12083479), (199, 3339655), (205, 3241909), (451, 1473595), (995, 667931), (1481, 448745), (2189, 303605), (2255, 294719), (7405, 89749), (8159, 81455), (10945, 60721), (16291, 40795)]