257697798

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{132971}}^1$

素因数の和:133012

約数の個数: 32

約数和(自身を含む): 574439040

約数和(自身を除く): 316741242

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 323, 646, 969, 1938, 132971, 265942, 398913, 797826, 2260507, 2526449, 4521014, 5052898, 6781521, 7579347, 13563042, 15158694, 42949633, 85899266, 128848899, 257697798]

約数ペア:

[(1, 257697798), (2, 128848899), (3, 85899266), (6, 42949633), (17, 15158694), (19, 13563042), (34, 7579347), (38, 6781521), (51, 5052898), (57, 4521014), (102, 2526449), (114, 2260507), (323, 797826), (646, 398913), (969, 265942), (1938, 132971)]