4289215

素因数分解:

$5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 32

約数和(自身を含む): 6249600

約数和(自身を除く): 1960385

約数列:

[1, 5, 7, 35, 41, 49, 61, 205, 245, 287, 305, 343, 427, 1435, 1715, 2009, 2135, 2501, 2989, 10045, 12505, 14063, 14945, 17507, 20923, 70315, 87535, 104615, 122549, 612745, 857843, 4289215]

約数ペア:

[(1, 4289215), (5, 857843), (7, 612745), (35, 122549), (41, 104615), (49, 87535), (61, 70315), (205, 20923), (245, 17507), (287, 14945), (305, 14063), (343, 12505), (427, 10045), (1435, 2989), (1715, 2501), (2009, 2135)]