43998988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{90907}}^1$

素因数の和:90933

約数の個数: 18

約数和(自身を含む): 84635348

約数和(自身を除く): 40636360

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 90907, 181814, 363628, 999977, 1999954, 3999908, 10999747, 21999494, 43998988]

約数ペア:

[(1, 43998988), (2, 21999494), (4, 10999747), (11, 3999908), (22, 1999954), (44, 999977), (121, 363628), (242, 181814), (484, 90907)]