2647461895

素因数分解:

$5^1\times {\mathrm{13}}^4\times {\mathrm{18539}}^1$

素因数の和:18596

約数の個数: 20

約数和(自身を含む): 3441876840

約数和(自身を除く): 794414945

約数列:

[1, 5, 13, 65, 169, 845, 2197, 10985, 18539, 28561, 92695, 142805, 241007, 1205035, 3133091, 15665455, 40730183, 203650915, 529492379, 2647461895]

約数ペア:

[(1, 2647461895), (5, 529492379), (13, 203650915), (65, 40730183), (169, 15665455), (845, 3133091), (2197, 1205035), (10985, 241007), (18539, 142805), (28561, 92695)]