261719128

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{270371}}^1$

素因数の和:270399

約数の個数: 24

約数和(自身を含む): 539392140

約数和(自身を除く): 277673012

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 270371, 540742, 1081484, 2162968, 2974081, 5948162, 11896324, 23792648, 32714891, 65429782, 130859564, 261719128]

約数ペア:

[(1, 261719128), (2, 130859564), (4, 65429782), (8, 32714891), (11, 23792648), (22, 11896324), (44, 5948162), (88, 2974081), (121, 2162968), (242, 1081484), (484, 540742), (968, 270371)]