28278484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{787}}^1$

素因数の和:1495

約数の個数: 24

約数和(自身を含む): 53439008

約数和(自身を除く): 25160524

約数列:

[1, 2, 4, 13, 26, 52, 691, 787, 1382, 1574, 2764, 3148, 8983, 10231, 17966, 20462, 35932, 40924, 543817, 1087634, 2175268, 7069621, 14139242, 28278484]

約数ペア:

[(1, 28278484), (2, 14139242), (4, 7069621), (13, 2175268), (26, 1087634), (52, 543817), (691, 40924), (787, 35932), (1382, 20462), (1574, 17966), (2764, 10231), (3148, 8983)]