291218428

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{1025417}}^1$

素因数の和:1025492

約数の個数: 12

約数和(自身を含む): 516810672

約数和(自身を除く): 225592244

約数列:

[1, 2, 4, 71, 142, 284, 1025417, 2050834, 4101668, 72804607, 145609214, 291218428]

約数ペア:

[(1, 291218428), (2, 145609214), (4, 72804607), (71, 4101668), (142, 2050834), (284, 1025417)]