81998174

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 140470848

約数和(自身を除く): 58472674

約数列:

[1, 2, 17, 23, 34, 46, 47, 94, 97, 194, 391, 529, 782, 799, 1058, 1081, 1598, 1649, 2162, 2231, 3298, 4462, 4559, 8993, 9118, 17986, 18377, 24863, 36754, 37927, 49726, 51313, 75854, 77503, 102626, 104857, 155006, 209714, 422671, 845342, 872321, 1744642, 1782569, 2411711, 3565138, 4823422, 40999087, 81998174]

約数ペア:

[(1, 81998174), (2, 40999087), (17, 4823422), (23, 3565138), (34, 2411711), (46, 1782569), (47, 1744642), (94, 872321), (97, 845342), (194, 422671), (391, 209714), (529, 155006), (782, 104857), (799, 102626), (1058, 77503), (1081, 75854), (1598, 51313), (1649, 49726), (2162, 37927), (2231, 36754), (3298, 24863), (4462, 18377), (4559, 17986), (8993, 9118)]