28278838

素因数分解:

$2^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{3877}}^1$

素因数の和:4407

約数の個数: 16

約数和(自身を含む): 48583584

約数和(自身を除く): 20304746

約数列:

[1, 2, 7, 14, 521, 1042, 3647, 3877, 7294, 7754, 27139, 54278, 2019917, 4039834, 14139419, 28278838]

約数ペア:

[(1, 28278838), (2, 14139419), (7, 4039834), (14, 2019917), (521, 54278), (1042, 27139), (3647, 7754), (3877, 7294)]