28719593

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 33735936

約数和(自身を除く): 5016343

約数列:

[1, 7, 61, 103, 427, 653, 721, 4571, 6283, 39833, 43981, 67259, 278831, 470813, 4102799, 28719593]

約数ペア:

[(1, 28719593), (7, 4102799), (61, 470813), (103, 278831), (427, 67259), (653, 43981), (721, 39833), (4571, 6283)]