12928615

素因数分解:

$5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{709}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 17789760

約数和(自身を除く): 4861145

約数列:

[1, 5, 7, 35, 521, 709, 2605, 3545, 3647, 4963, 18235, 24815, 369389, 1846945, 2585723, 12928615]

約数ペア:

[(1, 12928615), (5, 2585723), (7, 1846945), (35, 369389), (521, 24815), (709, 18235), (2605, 4963), (3545, 3647)]