28857595

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 32

約数和(自身を含む): 39070080

約数和(自身を除く): 10212485

約数列:

[1, 5, 13, 37, 65, 71, 169, 185, 355, 481, 845, 923, 2197, 2405, 2627, 4615, 6253, 10985, 11999, 13135, 31265, 34151, 59995, 81289, 155987, 170755, 406445, 443963, 779935, 2219815, 5771519, 28857595]

約数ペア:

[(1, 28857595), (5, 5771519), (13, 2219815), (37, 779935), (65, 443963), (71, 406445), (169, 170755), (185, 155987), (355, 81289), (481, 59995), (845, 34151), (923, 31265), (2197, 13135), (2405, 11999), (2627, 10985), (4615, 6253)]