28744705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 40497408

約数和(自身を除く): 11752703

約数列:

[1, 5, 11, 17, 55, 71, 85, 187, 355, 433, 781, 935, 1207, 2165, 3905, 4763, 6035, 7361, 13277, 23815, 30743, 36805, 66385, 80971, 153715, 338173, 404855, 522631, 1690865, 2613155, 5748941, 28744705]

約数ペア:

[(1, 28744705), (5, 5748941), (11, 2613155), (17, 1690865), (55, 522631), (71, 404855), (85, 338173), (187, 153715), (355, 80971), (433, 66385), (781, 36805), (935, 30743), (1207, 23815), (2165, 13277), (3905, 7361), (4763, 6035)]