28333417

素因数分解:

$7^2\times {\mathrm{73}}^1\times {\mathrm{89}}^2$

素因数の和:265

約数の個数: 18

約数和(自身を含む): 33790398

約数和(自身を除く): 5456981

約数列:

[1, 7, 49, 73, 89, 511, 623, 3577, 4361, 6497, 7921, 45479, 55447, 318353, 388129, 578233, 4047631, 28333417]

約数ペア:

[(1, 28333417), (7, 4047631), (49, 578233), (73, 388129), (89, 318353), (511, 55447), (623, 45479), (3577, 7921), (4361, 6497)]