12968905

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 16012368

約数和(自身を除く): 3043463

約数列:

[1, 5, 61, 101, 305, 421, 505, 2105, 6161, 25681, 30805, 42521, 128405, 212605, 2593781, 12968905]

約数ペア:

[(1, 12968905), (5, 2593781), (61, 212605), (101, 128405), (305, 42521), (421, 30805), (505, 25681), (2105, 6161)]