28518428

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{100417}}^1$

素因数の和:100492

約数の個数: 12

約数和(自身を含む): 50610672

約数和(自身を除く): 22092244

約数列:

[1, 2, 4, 71, 142, 284, 100417, 200834, 401668, 7129607, 14259214, 28518428]

約数ペア:

[(1, 28518428), (2, 14259214), (4, 7129607), (71, 401668), (142, 200834), (284, 100417)]