28153255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1091}}^1$

素因数の和:1506

約数の個数: 16

約数和(自身を含む): 36507744

約数和(自身を除く): 8354489

約数列:

[1, 5, 13, 65, 397, 1091, 1985, 5161, 5455, 14183, 25805, 70915, 433127, 2165635, 5630651, 28153255]

約数ペア:

[(1, 28153255), (5, 5630651), (13, 2165635), (65, 433127), (397, 70915), (1091, 25805), (1985, 14183), (5161, 5455)]