281420188

素因数分解:

$2^2\times 7^1\times {\mathrm{10050721}}^1$

素因数の和:10050732

約数の個数: 12

約数和(自身を含む): 562840432

約数和(自身を除く): 281420244

約数列:

[1, 2, 4, 7, 14, 28, 10050721, 20101442, 40202884, 70355047, 140710094, 281420188]

約数ペア:

[(1, 281420188), (2, 140710094), (4, 70355047), (7, 40202884), (14, 20101442), (28, 10050721)]