131728384

素因数分解:

$2^{10}\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:870

約数の個数: 44

約数和(自身を含む): 265070124

約数和(自身を除く): 133341740

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 256, 394, 512, 653, 788, 1024, 1306, 1576, 2612, 3152, 5224, 6304, 10448, 12608, 20896, 25216, 41792, 50432, 83584, 100864, 128641, 167168, 201728, 257282, 334336, 514564, 668672, 1029128, 2058256, 4116512, 8233024, 16466048, 32932096, 65864192, 131728384]

約数ペア:

[(1, 131728384), (2, 65864192), (4, 32932096), (8, 16466048), (16, 8233024), (32, 4116512), (64, 2058256), (128, 1029128), (197, 668672), (256, 514564), (394, 334336), (512, 257282), (653, 201728), (788, 167168), (1024, 128641), (1306, 100864), (1576, 83584), (2612, 50432), (3152, 41792), (5224, 25216), (6304, 20896), (10448, 12608)]