128364478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{13291}}^1$

素因数の和:13743

約数の個数: 16

約数和(自身を含む): 210545280

約数和(自身を除く): 82180802

約数列:

[1, 2, 11, 22, 439, 878, 4829, 9658, 13291, 26582, 146201, 292402, 5834749, 11669498, 64182239, 128364478]

約数ペア:

[(1, 128364478), (2, 64182239), (11, 11669498), (22, 5834749), (439, 292402), (878, 146201), (4829, 26582), (9658, 13291)]