1293475715

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1\times {\mathrm{673}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 1799418240

約数和(自身を除く): 505942525

約数列:

[1, 5, 7, 35, 89, 445, 617, 623, 673, 3085, 3115, 3365, 4319, 4711, 21595, 23555, 54913, 59897, 274565, 299485, 384391, 415241, 419279, 1921955, 2076205, 2096395, 2906687, 14533435, 36956449, 184782245, 258695143, 1293475715]

約数ペア:

[(1, 1293475715), (5, 258695143), (7, 184782245), (35, 36956449), (89, 14533435), (445, 2906687), (617, 2096395), (623, 2076205), (673, 1921955), (3085, 419279), (3115, 415241), (3365, 384391), (4319, 299485), (4711, 274565), (21595, 59897), (23555, 54913)]