2213141

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:212

約数の個数: 16

約数和(自身を含む): 2642688

約数和(自身を除く): 429547

約数列:

[1, 7, 61, 71, 73, 427, 497, 511, 4331, 4453, 5183, 30317, 31171, 36281, 316163, 2213141]

約数ペア:

[(1, 2213141), (7, 316163), (61, 36281), (71, 31171), (73, 30317), (427, 5183), (497, 4453), (511, 4331)]