81646572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51157}}^1$

素因数の和:51190

約数の個数: 48

約数和(自身を含む): 229187840

約数和(自身を除く): 147541268

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 51157, 102314, 153471, 204628, 306942, 358099, 613884, 716198, 971983, 1074297, 1432396, 1943966, 2148594, 2915949, 3887932, 4297188, 5831898, 6803881, 11663796, 13607762, 20411643, 27215524, 40823286, 81646572]

約数ペア:

[(1, 81646572), (2, 40823286), (3, 27215524), (4, 20411643), (6, 13607762), (7, 11663796), (12, 6803881), (14, 5831898), (19, 4297188), (21, 3887932), (28, 2915949), (38, 2148594), (42, 1943966), (57, 1432396), (76, 1074297), (84, 971983), (114, 716198), (133, 613884), (228, 358099), (266, 306942), (399, 204628), (532, 153471), (798, 102314), (1596, 51157)]