28781128

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{50671}}^1$

素因数の和:50748

約数の個数: 16

約数和(自身を含む): 54725760

約数和(自身を除く): 25944632

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 50671, 101342, 202684, 405368, 3597641, 7195282, 14390564, 28781128]

約数ペア:

[(1, 28781128), (2, 14390564), (4, 7195282), (8, 3597641), (71, 405368), (142, 202684), (284, 101342), (568, 50671)]