3961994

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2543}}^1$

素因数の和:2605

約数の個数: 16

約数和(自身を含む): 6410880

約数和(自身を除く): 2448886

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 2543, 5086, 48317, 96634, 104263, 208526, 1980997, 3961994]

約数ペア:

[(1, 3961994), (2, 1980997), (19, 208526), (38, 104263), (41, 96634), (82, 48317), (779, 5086), (1558, 2543)]