28712356

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 51226560

約数和(自身を除く): 22514204

約数列:

[1, 2, 4, 83, 166, 197, 332, 394, 439, 788, 878, 1756, 16351, 32702, 36437, 65404, 72874, 86483, 145748, 172966, 345932, 7178089, 14356178, 28712356]

約数ペア:

[(1, 28712356), (2, 14356178), (4, 7178089), (83, 345932), (166, 172966), (197, 145748), (332, 86483), (394, 72874), (439, 65404), (788, 36437), (878, 32702), (1756, 16351)]