2145872

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{3119}}^1$

素因数の和:3170

約数の個数: 20

約数和(自身を含む): 4255680

約数和(自身を除く): 2109808

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 3119, 6238, 12476, 24952, 49904, 134117, 268234, 536468, 1072936, 2145872]

約数ペア:

[(1, 2145872), (2, 1072936), (4, 536468), (8, 268234), (16, 134117), (43, 49904), (86, 24952), (172, 12476), (344, 6238), (688, 3119)]