12690475

素因数分解:

$5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 18157568

約数和(自身を除く): 5467093

約数列:

[1, 5, 7, 25, 35, 127, 175, 571, 635, 889, 2855, 3175, 3997, 4445, 14275, 19985, 22225, 72517, 99925, 362585, 507619, 1812925, 2538095, 12690475]

約数ペア:

[(1, 12690475), (5, 2538095), (7, 1812925), (25, 507619), (35, 362585), (127, 99925), (175, 72517), (571, 22225), (635, 19985), (889, 14275), (2855, 4445), (3175, 3997)]