281159306

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1\times {\mathrm{3109}}^1$

素因数の和:3653

約数の個数: 16

約数和(自身を含む): 426940800

約数和(自身を除く): 145781494

約数列:

[1, 2, 103, 206, 439, 878, 3109, 6218, 45217, 90434, 320227, 640454, 1364851, 2729702, 140579653, 281159306]

約数ペア:

[(1, 281159306), (2, 140579653), (103, 2729702), (206, 1364851), (439, 640454), (878, 320227), (3109, 90434), (6218, 45217)]