2774219

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 16

約数和(自身を含む): 3303360

約数和(自身を除く): 529141

約数列:

[1, 7, 61, 73, 89, 427, 511, 623, 4453, 5429, 6497, 31171, 38003, 45479, 396317, 2774219]

約数ペア:

[(1, 2774219), (7, 396317), (61, 45479), (73, 38003), (89, 31171), (427, 6497), (511, 5429), (623, 4453)]