2921984

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:470

約数の個数: 40

約数和(自身を含む): 6301680

約数和(自身を除く): 3379696

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 439, 512, 832, 878, 1664, 1756, 3328, 3512, 5707, 6656, 7024, 11414, 14048, 22828, 28096, 45656, 56192, 91312, 112384, 182624, 224768, 365248, 730496, 1460992, 2921984]

約数ペア:

[(1, 2921984), (2, 1460992), (4, 730496), (8, 365248), (13, 224768), (16, 182624), (26, 112384), (32, 91312), (52, 56192), (64, 45656), (104, 28096), (128, 22828), (208, 14048), (256, 11414), (416, 7024), (439, 6656), (512, 5707), (832, 3512), (878, 3328), (1664, 1756)]