28078490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{255259}}^1$

素因数の和:255277

約数の個数: 16

約数和(自身を含む): 55136160

約数和(自身を除く): 27057670

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 255259, 510518, 1276295, 2552590, 2807849, 5615698, 14039245, 28078490]

約数ペア:

[(1, 28078490), (2, 14039245), (5, 5615698), (10, 2807849), (11, 2552590), (22, 1276295), (55, 510518), (110, 255259)]