1997658982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1278911}}^1$

素因数の和:1278995

約数の個数: 16

約数和(自身を含む): 3314939904

約数和(自身を除く): 1317280922

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 1278911, 2557822, 14068021, 28136042, 90802681, 181605362, 998829491, 1997658982]

約数ペア:

[(1, 1997658982), (2, 998829491), (11, 181605362), (22, 90802681), (71, 28136042), (142, 14068021), (781, 2557822), (1562, 1278911)]