28719019

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6151}}^1$

素因数の和:6210

約数の個数: 16

約数和(自身を含む): 35435520

約数和(自身を除く): 6716501

約数列:

[1, 7, 23, 29, 161, 203, 667, 4669, 6151, 43057, 141473, 178379, 990311, 1248653, 4102717, 28719019]

約数ペア:

[(1, 28719019), (7, 4102717), (23, 1248653), (29, 990311), (161, 178379), (203, 141473), (667, 43057), (4669, 6151)]