28327278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{857}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 64905984

約数和(自身を除く): 36578706

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 787, 857, 1574, 1714, 2361, 2571, 4722, 5142, 5509, 5999, 11018, 11998, 16527, 17997, 33054, 35994, 674459, 1348918, 2023377, 4046754, 4721213, 9442426, 14163639, 28327278]

約数ペア:

[(1, 28327278), (2, 14163639), (3, 9442426), (6, 4721213), (7, 4046754), (14, 2023377), (21, 1348918), (42, 674459), (787, 35994), (857, 33054), (1574, 17997), (1714, 16527), (2361, 11998), (2571, 11018), (4722, 5999), (5142, 5509)]