128665636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{16903}}^1$

素因数の和:17091

約数の個数: 24

約数和(自身を含む): 247068864

約数和(自身を除く): 118403228

約数列:

[1, 2, 4, 11, 22, 44, 173, 346, 692, 1903, 3806, 7612, 16903, 33806, 67612, 185933, 371866, 743732, 2924219, 5848438, 11696876, 32166409, 64332818, 128665636]

約数ペア:

[(1, 128665636), (2, 64332818), (4, 32166409), (11, 11696876), (22, 5848438), (44, 2924219), (173, 743732), (346, 371866), (692, 185933), (1903, 67612), (3806, 33806), (7612, 16903)]