221799886

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1440259}}^1$

素因数の和:1440279

約数の個数: 16

約数和(自身を含む): 414794880

約数和(自身を除く): 192994994

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 1440259, 2880518, 10081813, 15842849, 20163626, 31685698, 110899943, 221799886]

約数ペア:

[(1, 221799886), (2, 110899943), (7, 31685698), (11, 20163626), (14, 15842849), (22, 10081813), (77, 2880518), (154, 1440259)]