28072385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3251}}^1$

素因数の和:3424

約数の個数: 16

約数和(自身を含む): 36994752

約数和(自身を除く): 8922367

約数列:

[1, 5, 11, 55, 157, 785, 1727, 3251, 8635, 16255, 35761, 178805, 510407, 2552035, 5614477, 28072385]

約数ペア:

[(1, 28072385), (5, 5614477), (11, 2552035), (55, 510407), (157, 178805), (785, 35761), (1727, 16255), (3251, 8635)]