203702005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{19961}}^1$

素因数の和:20136

約数の個数: 16

約数和(自身を含む): 264935664

約数和(自身を除く): 61233659

約数列:

[1, 5, 13, 65, 157, 785, 2041, 10205, 19961, 99805, 259493, 1297465, 3133877, 15669385, 40740401, 203702005]

約数ペア:

[(1, 203702005), (5, 40740401), (13, 15669385), (65, 3133877), (157, 1297465), (785, 259493), (2041, 99805), (10205, 19961)]