291228368

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{256363}}^1$

素因数の和:256442

約数の個数: 20

約数和(自身を含む): 572204448

約数和(自身を除く): 280976080

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 256363, 512726, 1025452, 2050904, 4101808, 18201773, 36403546, 72807092, 145614184, 291228368]

約数ペア:

[(1, 291228368), (2, 145614184), (4, 72807092), (8, 36403546), (16, 18201773), (71, 4101808), (142, 2050904), (284, 1025452), (568, 512726), (1136, 256363)]