249490868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{515477}}^1$

素因数の和:515503

約数の個数: 18

約数和(自身を含む): 479910018

約数和(自身を除く): 230419150

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 515477, 1030954, 2061908, 5670247, 11340494, 22680988, 62372717, 124745434, 249490868]

約数ペア:

[(1, 249490868), (2, 124745434), (4, 62372717), (11, 22680988), (22, 11340494), (44, 5670247), (121, 2061908), (242, 1030954), (484, 515477)]