28221475

素因数分解:

$5^2\times {\mathrm{631}}^1\times {\mathrm{1789}}^1$

素因数の和:2430

約数の個数: 12

約数和(自身を含む): 35069680

約数和(自身を除く): 6848205

約数列:

[1, 5, 25, 631, 1789, 3155, 8945, 15775, 44725, 1128859, 5644295, 28221475]

約数ペア:

[(1, 28221475), (5, 5644295), (25, 1128859), (631, 44725), (1789, 15775), (3155, 8945)]