198485399

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{6547}}^1$

素因数の和:6686

約数の個数: 16

約数和(自身を含む): 233842176

約数和(自身を除く): 35356777

約数列:

[1, 7, 61, 71, 427, 497, 4331, 6547, 30317, 45829, 399367, 464837, 2795569, 3253859, 28355057, 198485399]

約数ペア:

[(1, 198485399), (7, 28355057), (61, 3253859), (71, 2795569), (427, 464837), (497, 399367), (4331, 45829), (6547, 30317)]