28364270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257857}}^1$

素因数の和:257875

約数の個数: 16

約数和(自身を含む): 55697328

約数和(自身を除く): 27333058

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257857, 515714, 1289285, 2578570, 2836427, 5672854, 14182135, 28364270]

約数ペア:

[(1, 28364270), (2, 14182135), (5, 5672854), (10, 2836427), (11, 2578570), (22, 1289285), (55, 515714), (110, 257857)]