257091264

素因数分解:

$2^6\times 3^2\times {\mathrm{29}}^1\times {\mathrm{15391}}^1$

素因数の和:15438

約数の個数: 84

約数和(自身を含む): 762365760

約数和(自身を除く): 505274496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 144, 174, 192, 232, 261, 288, 348, 464, 522, 576, 696, 928, 1044, 1392, 1856, 2088, 2784, 4176, 5568, 8352, 15391, 16704, 30782, 46173, 61564, 92346, 123128, 138519, 184692, 246256, 277038, 369384, 446339, 492512, 554076, 738768, 892678, 985024, 1108152, 1339017, 1477536, 1785356, 2216304, 2678034, 2955072, 3570712, 4017051, 4432608, 5356068, 7141424, 8034102, 8865216, 10712136, 14282848, 16068204, 21424272, 28565696, 32136408, 42848544, 64272816, 85697088, 128545632, 257091264]

約数ペア:

[(1, 257091264), (2, 128545632), (3, 85697088), (4, 64272816), (6, 42848544), (8, 32136408), (9, 28565696), (12, 21424272), (16, 16068204), (18, 14282848), (24, 10712136), (29, 8865216), (32, 8034102), (36, 7141424), (48, 5356068), (58, 4432608), (64, 4017051), (72, 3570712), (87, 2955072), (96, 2678034), (116, 2216304), (144, 1785356), (174, 1477536), (192, 1339017), (232, 1108152), (261, 985024), (288, 892678), (348, 738768), (464, 554076), (522, 492512), (576, 446339), (696, 369384), (928, 277038), (1044, 246256), (1392, 184692), (1856, 138519), (2088, 123128), (2784, 92346), (4176, 61564), (5568, 46173), (8352, 30782), (15391, 16704)]