2195878

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:543

約数の個数: 16

約数和(自身を含む): 3437280

約数和(自身を除く): 1241402

約数列:

[1, 2, 41, 61, 82, 122, 439, 878, 2501, 5002, 17999, 26779, 35998, 53558, 1097939, 2195878]

約数ペア:

[(1, 2195878), (2, 1097939), (41, 53558), (61, 35998), (82, 26779), (122, 17999), (439, 5002), (878, 2501)]