28787864

素因数分解:

$2^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1171}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 61881600

約数和(自身を除く): 33093736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 439, 878, 1171, 1756, 2342, 3073, 3512, 4684, 6146, 8197, 9368, 12292, 16394, 24584, 32788, 65576, 514069, 1028138, 2056276, 3598483, 4112552, 7196966, 14393932, 28787864]

約数ペア:

[(1, 28787864), (2, 14393932), (4, 7196966), (7, 4112552), (8, 3598483), (14, 2056276), (28, 1028138), (56, 514069), (439, 65576), (878, 32788), (1171, 24584), (1756, 16394), (2342, 12292), (3073, 9368), (3512, 8197), (4684, 6146)]