219027728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{805249}}^1$

素因数の和:805274

約数の個数: 20

約数和(自身を含む): 449329500

約数和(自身を除く): 230301772

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 805249, 1610498, 3220996, 6441992, 12883984, 13689233, 27378466, 54756932, 109513864, 219027728]

約数ペア:

[(1, 219027728), (2, 109513864), (4, 54756932), (8, 27378466), (16, 13689233), (17, 12883984), (34, 6441992), (68, 3220996), (136, 1610498), (272, 805249)]