1648206

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 4153344

約数和(自身を除く): 2505138

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 103, 126, 127, 206, 254, 309, 381, 618, 721, 762, 889, 927, 1143, 1442, 1778, 1854, 2163, 2286, 2667, 4326, 5334, 6489, 8001, 12978, 13081, 16002, 26162, 39243, 78486, 91567, 117729, 183134, 235458, 274701, 549402, 824103, 1648206]

約数ペア:

[(1, 1648206), (2, 824103), (3, 549402), (6, 274701), (7, 235458), (9, 183134), (14, 117729), (18, 91567), (21, 78486), (42, 39243), (63, 26162), (103, 16002), (126, 13081), (127, 12978), (206, 8001), (254, 6489), (309, 5334), (381, 4326), (618, 2667), (721, 2286), (762, 2163), (889, 1854), (927, 1778), (1143, 1442)]