12980828

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5209}}^1$

素因数の和:5309

約数の個数: 24

約数和(自身を含む): 26258400

約数和(自身を除く): 13277572

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 5209, 10418, 20836, 36463, 72926, 145852, 463601, 927202, 1854404, 3245207, 6490414, 12980828]

約数ペア:

[(1, 12980828), (2, 6490414), (4, 3245207), (7, 1854404), (14, 927202), (28, 463601), (89, 145852), (178, 72926), (356, 36463), (623, 20836), (1246, 10418), (2492, 5209)]