289708

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 24

約数和(自身を含む): 548352

約数和(自身を除く): 258644

約数列:

[1, 2, 4, 23, 46, 47, 67, 92, 94, 134, 188, 268, 1081, 1541, 2162, 3082, 3149, 4324, 6164, 6298, 12596, 72427, 144854, 289708]

約数ペア:

[(1, 289708), (2, 144854), (4, 72427), (23, 12596), (46, 6298), (47, 6164), (67, 4324), (92, 3149), (94, 3082), (134, 2162), (188, 1541), (268, 1081)]