205119616

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{123269}}^1$

素因数の和:123296

約数の個数: 32

約数和(自身を含む): 440073900

約数和(自身を除く): 234954284

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 123269, 246538, 493076, 986152, 1602497, 1972304, 3204994, 3944608, 6409988, 7889216, 12819976, 15778432, 25639952, 51279904, 102559808, 205119616]

約数ペア:

[(1, 205119616), (2, 102559808), (4, 51279904), (8, 25639952), (13, 15778432), (16, 12819976), (26, 7889216), (32, 6409988), (52, 3944608), (64, 3204994), (104, 1972304), (128, 1602497), (208, 986152), (416, 493076), (832, 246538), (1664, 123269)]