28188349

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1319}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 33454080

約数和(自身を除く): 5265731

約数列:

[1, 7, 43, 71, 301, 497, 1319, 3053, 9233, 21371, 56717, 93649, 397019, 655543, 4026907, 28188349]

約数ペア:

[(1, 28188349), (7, 4026907), (43, 655543), (71, 397019), (301, 93649), (497, 56717), (1319, 21371), (3053, 9233)]