28177667

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1459}}^1$

素因数の和:1586

約数の個数: 16

約数和(自身を含む): 33638400

約数和(自身を除く): 5460733

約数列:

[1, 7, 31, 89, 217, 623, 1459, 2759, 10213, 19313, 45229, 129851, 316603, 908957, 4025381, 28177667]

約数ペア:

[(1, 28177667), (7, 4025381), (31, 908957), (89, 316603), (217, 129851), (623, 45229), (1459, 19313), (2759, 10213)]