233720656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 511856128

約数和(自身を除く): 278135472

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 67, 104, 124, 134, 208, 248, 268, 403, 496, 536, 541, 806, 871, 1072, 1082, 1612, 1742, 2077, 2164, 3224, 3484, 4154, 4328, 6448, 6968, 7033, 8308, 8656, 13936, 14066, 16616, 16771, 27001, 28132, 33232, 33542, 36247, 54002, 56264, 67084, 72494, 108004, 112528, 134168, 144988, 216008, 218023, 268336, 289976, 432016, 436046, 471211, 579952, 872092, 942422, 1123657, 1744184, 1884844, 2247314, 3488368, 3769688, 4494628, 7539376, 8989256, 14607541, 17978512, 29215082, 58430164, 116860328, 233720656]

約数ペア:

[(1, 233720656), (2, 116860328), (4, 58430164), (8, 29215082), (13, 17978512), (16, 14607541), (26, 8989256), (31, 7539376), (52, 4494628), (62, 3769688), (67, 3488368), (104, 2247314), (124, 1884844), (134, 1744184), (208, 1123657), (248, 942422), (268, 872092), (403, 579952), (496, 471211), (536, 436046), (541, 432016), (806, 289976), (871, 268336), (1072, 218023), (1082, 216008), (1612, 144988), (1742, 134168), (2077, 112528), (2164, 108004), (3224, 72494), (3484, 67084), (4154, 56264), (4328, 54002), (6448, 36247), (6968, 33542), (7033, 33232), (8308, 28132), (8656, 27001), (13936, 16771), (14066, 16616)]