12990512

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{15319}}^1$

素因数の和:15380

約数の個数: 20

約数和(自身を含む): 25645680

約数和(自身を除く): 12655168

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 15319, 30638, 61276, 122552, 245104, 811907, 1623814, 3247628, 6495256, 12990512]

約数ペア:

[(1, 12990512), (2, 6495256), (4, 3247628), (8, 1623814), (16, 811907), (53, 245104), (106, 122552), (212, 61276), (424, 30638), (848, 15319)]