389680715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{51511}}^1$

素因数の和:51622

約数の個数: 16

約数和(自身を含む): 500696640

約数和(自身を除く): 111015925

約数列:

[1, 5, 17, 85, 89, 445, 1513, 7565, 51511, 257555, 875687, 4378435, 4584479, 22922395, 77936143, 389680715]

約数ペア:

[(1, 389680715), (5, 77936143), (17, 22922395), (85, 4584479), (89, 4378435), (445, 875687), (1513, 257555), (7565, 51511)]