1987913728

素因数分解:

$2^{11}\times {\mathrm{127}}^1\times {\mathrm{7643}}^1$

素因数の和:7792

約数の個数: 48

約数和(自身を含む): 4006679040

約数和(自身を除く): 2018765312

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 512, 1016, 1024, 2032, 2048, 4064, 7643, 8128, 15286, 16256, 30572, 32512, 61144, 65024, 122288, 130048, 244576, 260096, 489152, 970661, 978304, 1941322, 1956608, 3882644, 3913216, 7765288, 7826432, 15530576, 15652864, 31061152, 62122304, 124244608, 248489216, 496978432, 993956864, 1987913728]

約数ペア:

[(1, 1987913728), (2, 993956864), (4, 496978432), (8, 248489216), (16, 124244608), (32, 62122304), (64, 31061152), (127, 15652864), (128, 15530576), (254, 7826432), (256, 7765288), (508, 3913216), (512, 3882644), (1016, 1956608), (1024, 1941322), (2032, 978304), (2048, 970661), (4064, 489152), (7643, 260096), (8128, 244576), (15286, 130048), (16256, 122288), (30572, 65024), (32512, 61144)]