257276594

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{83}}^2\times {\mathrm{263}}^1$

素因数の和:502

約数の個数: 24

約数和(自身を含む): 397628352

約数和(自身を除く): 140351758

約数列:

[1, 2, 71, 83, 142, 166, 263, 526, 5893, 6889, 11786, 13778, 18673, 21829, 37346, 43658, 489119, 978238, 1549859, 1811807, 3099718, 3623614, 128638297, 257276594]

約数ペア:

[(1, 257276594), (2, 128638297), (71, 3623614), (83, 3099718), (142, 1811807), (166, 1549859), (263, 978238), (526, 489119), (5893, 43658), (6889, 37346), (11786, 21829), (13778, 18673)]