17982251

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1831}}^1$

素因数の和:1922

約数の個数: 16

約数和(自身を含む): 21808128

約数和(自身を除く): 3825877

約数列:

[1, 7, 23, 61, 161, 427, 1403, 1831, 9821, 12817, 42113, 111691, 294791, 781837, 2568893, 17982251]

約数ペア:

[(1, 17982251), (7, 2568893), (23, 781837), (61, 294791), (161, 111691), (427, 42113), (1403, 12817), (1831, 9821)]