28723721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{887}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 32223744

約数和(自身を除く): 3500023

約数列:

[1, 13, 47, 53, 611, 689, 887, 2491, 11531, 32383, 41689, 47011, 541957, 611143, 2209517, 28723721]

約数ペア:

[(1, 28723721), (13, 2209517), (47, 611143), (53, 541957), (611, 47011), (689, 41689), (887, 32383), (2491, 11531)]