257852270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1983479}}^1$

素因数の和:1983499

約数の個数: 16

約数和(自身を含む): 499836960

約数和(自身を除く): 241984690

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1983479, 3966958, 9917395, 19834790, 25785227, 51570454, 128926135, 257852270]

約数ペア:

[(1, 257852270), (2, 128926135), (5, 51570454), (10, 25785227), (13, 19834790), (26, 9917395), (65, 3966958), (130, 1983479)]