1997866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1787}}^1$

素因数の和:1845

約数の個数: 16

約数和(自身を含む): 3304224

約数和(自身を除く): 1306358

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 1787, 3574, 23231, 46462, 76841, 153682, 998933, 1997866]

約数ペア:

[(1, 1997866), (2, 998933), (13, 153682), (26, 76841), (43, 46462), (86, 23231), (559, 3574), (1118, 1787)]