17980543

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2477}}^1$

素因数の和:2562

約数の個数: 16

約数和(自身を含む): 22123584

約数和(自身を除く): 4143041

約数列:

[1, 7, 17, 61, 119, 427, 1037, 2477, 7259, 17339, 42109, 151097, 294763, 1057679, 2568649, 17980543]

約数ペア:

[(1, 17980543), (7, 2568649), (17, 1057679), (61, 294763), (119, 151097), (427, 42109), (1037, 17339), (2477, 7259)]