28408810

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{66067}}^1$

素因数の和:66117

約数の個数: 16

約数和(自身を含む): 52325856

約数和(自身を除く): 23917046

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 66067, 132134, 330335, 660670, 2840881, 5681762, 14204405, 28408810]

約数ペア:

[(1, 28408810), (2, 14204405), (5, 5681762), (10, 2840881), (43, 660670), (86, 330335), (215, 132134), (430, 66067)]