256291136

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1279}}^1$

素因数の和:1423

約数の個数: 56

約数和(自身を含む): 530595840

約数和(自身を除く): 274304704

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 101, 124, 202, 248, 404, 496, 808, 992, 1279, 1616, 1984, 2558, 3131, 3232, 5116, 6262, 6464, 10232, 12524, 20464, 25048, 39649, 40928, 50096, 79298, 81856, 100192, 129179, 158596, 200384, 258358, 317192, 516716, 634384, 1033432, 1268768, 2066864, 2537536, 4004549, 4133728, 8009098, 8267456, 16018196, 32036392, 64072784, 128145568, 256291136]

約数ペア:

[(1, 256291136), (2, 128145568), (4, 64072784), (8, 32036392), (16, 16018196), (31, 8267456), (32, 8009098), (62, 4133728), (64, 4004549), (101, 2537536), (124, 2066864), (202, 1268768), (248, 1033432), (404, 634384), (496, 516716), (808, 317192), (992, 258358), (1279, 200384), (1616, 158596), (1984, 129179), (2558, 100192), (3131, 81856), (3232, 79298), (5116, 50096), (6262, 40928), (6464, 39649), (10232, 25048), (12524, 20464)]