1992155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 2700000

約数和(自身を除く): 707845

約数列:

[1, 5, 11, 29, 55, 145, 319, 1249, 1595, 6245, 13739, 36221, 68695, 181105, 398431, 1992155]

約数ペア:

[(1, 1992155), (5, 398431), (11, 181105), (29, 68695), (55, 36221), (145, 13739), (319, 6245), (1249, 1595)]