221980534

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{135851}}^1$

素因数の和:135915

約数の個数: 16

約数和(自身を含む): 358649280

約数和(自身を除く): 136668746

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 135851, 271702, 2581169, 5162338, 5841593, 11683186, 110990267, 221980534]

約数ペア:

[(1, 221980534), (2, 110990267), (19, 11683186), (38, 5841593), (43, 5162338), (86, 2581169), (817, 271702), (1634, 135851)]