28529641

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1801}}^1$

素因数の和:1912

約数の個数: 16

約数和(自身を含む): 34137088

約数和(自身を除く): 5607447

約数列:

[1, 7, 31, 73, 217, 511, 1801, 2263, 12607, 15841, 55831, 131473, 390817, 920311, 4075663, 28529641]

約数ペア:

[(1, 28529641), (7, 4075663), (31, 920311), (73, 390817), (217, 131473), (511, 55831), (1801, 15841), (2263, 12607)]