721426432

素因数分解:

$2^{11}\times {\mathrm{131}}^1\times {\mathrm{2689}}^1$

素因数の和:2842

約数の個数: 48

約数和(自身を含む): 1454052600

約数和(自身を除く): 732626168

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 256, 262, 512, 524, 1024, 1048, 2048, 2096, 2689, 4192, 5378, 8384, 10756, 16768, 21512, 33536, 43024, 67072, 86048, 134144, 172096, 268288, 344192, 352259, 688384, 704518, 1376768, 1409036, 2753536, 2818072, 5507072, 5636144, 11272288, 22544576, 45089152, 90178304, 180356608, 360713216, 721426432]

約数ペア:

[(1, 721426432), (2, 360713216), (4, 180356608), (8, 90178304), (16, 45089152), (32, 22544576), (64, 11272288), (128, 5636144), (131, 5507072), (256, 2818072), (262, 2753536), (512, 1409036), (524, 1376768), (1024, 704518), (1048, 688384), (2048, 352259), (2096, 344192), (2689, 268288), (4192, 172096), (5378, 134144), (8384, 86048), (10756, 67072), (16768, 43024), (21512, 33536)]