28507768

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{40039}}^1$

素因数の和:40134

約数の個数: 16

約数和(自身を含む): 54054000

約数和(自身を除く): 25546232

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 40039, 80078, 160156, 320312, 3563471, 7126942, 14253884, 28507768]

約数ペア:

[(1, 28507768), (2, 14253884), (4, 7126942), (8, 3563471), (89, 320312), (178, 160156), (356, 80078), (712, 40039)]