28472129

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:776

約数の個数: 16

約数和(自身を含む): 33641856

約数和(自身を除く): 5169727

約数列:

[1, 7, 37, 211, 259, 521, 1477, 3647, 7807, 19277, 54649, 109931, 134939, 769517, 4067447, 28472129]

約数ペア:

[(1, 28472129), (7, 4067447), (37, 769517), (211, 134939), (259, 109931), (521, 54649), (1477, 19277), (3647, 7807)]