39988172

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{5557}}^1$

素因数の和:5825

約数の個数: 24

約数和(自身を含む): 80301984

約数和(自身を除く): 40313812

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 3598, 5557, 7196, 11114, 22228, 38899, 77798, 155596, 1428149, 2856298, 5712596, 9997043, 19994086, 39988172]

約数ペア:

[(1, 39988172), (2, 19994086), (4, 9997043), (7, 5712596), (14, 2856298), (28, 1428149), (257, 155596), (514, 77798), (1028, 38899), (1799, 22228), (3598, 11114), (5557, 7196)]