28243345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1117}}^1$

素因数の和:1524

約数の個数: 16

約数和(自身を含む): 36625680

約数和(自身を除く): 8382335

約数列:

[1, 5, 13, 65, 389, 1117, 1945, 5057, 5585, 14521, 25285, 72605, 434513, 2172565, 5648669, 28243345]

約数ペア:

[(1, 28243345), (5, 5648669), (13, 2172565), (65, 434513), (389, 72605), (1117, 25285), (1945, 14521), (5057, 5585)]