251188535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{20023}}^1$

素因数の和:20234

約数の個数: 16

約数和(自身を含む): 326311104

約数和(自身を除く): 75122569

約数列:

[1, 5, 13, 65, 193, 965, 2509, 12545, 20023, 100115, 260299, 1301495, 3864439, 19322195, 50237707, 251188535]

約数ペア:

[(1, 251188535), (5, 50237707), (13, 19322195), (65, 3864439), (193, 1301495), (965, 260299), (2509, 100115), (12545, 20023)]