638512092

素因数分解:

$2^2\times 3^3\times {\mathrm{157}}^1\times {\mathrm{37657}}^1$

素因数の和:37827

約数の個数: 48

約数和(自身を含む): 1665989920

約数和(自身を除く): 1027477828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 157, 314, 471, 628, 942, 1413, 1884, 2826, 4239, 5652, 8478, 16956, 37657, 75314, 112971, 150628, 225942, 338913, 451884, 677826, 1016739, 1355652, 2033478, 4066956, 5912149, 11824298, 17736447, 23648596, 35472894, 53209341, 70945788, 106418682, 159628023, 212837364, 319256046, 638512092]

約数ペア:

[(1, 638512092), (2, 319256046), (3, 212837364), (4, 159628023), (6, 106418682), (9, 70945788), (12, 53209341), (18, 35472894), (27, 23648596), (36, 17736447), (54, 11824298), (108, 5912149), (157, 4066956), (314, 2033478), (471, 1355652), (628, 1016739), (942, 677826), (1413, 451884), (1884, 338913), (2826, 225942), (4239, 150628), (5652, 112971), (8478, 75314), (16956, 37657)]