419428

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 790272

約数和(自身を除く): 370844

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 97, 188, 194, 388, 1081, 2162, 2231, 4324, 4462, 4559, 8924, 9118, 18236, 104857, 209714, 419428]

約数ペア:

[(1, 419428), (2, 209714), (4, 104857), (23, 18236), (46, 9118), (47, 8924), (92, 4559), (94, 4462), (97, 4324), (188, 2231), (194, 2162), (388, 1081)]