78831728

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{769}}^1$

素因数の和:969

約数の個数: 40

約数和(自身を含む): 157542000

約数和(自身を除く): 78710272

約数列:

[1, 2, 4, 8, 16, 43, 86, 149, 172, 298, 344, 596, 688, 769, 1192, 1538, 2384, 3076, 6152, 6407, 12304, 12814, 25628, 33067, 51256, 66134, 102512, 114581, 132268, 229162, 264536, 458324, 529072, 916648, 1833296, 4926983, 9853966, 19707932, 39415864, 78831728]

約数ペア:

[(1, 78831728), (2, 39415864), (4, 19707932), (8, 9853966), (16, 4926983), (43, 1833296), (86, 916648), (149, 529072), (172, 458324), (298, 264536), (344, 229162), (596, 132268), (688, 114581), (769, 102512), (1192, 66134), (1538, 51256), (2384, 33067), (3076, 25628), (6152, 12814), (6407, 12304)]