28305497045

素因数分解:

$5^1\times 7^4\times {\mathrm{2357809}}^1$

素因数の和:2357842

約数の個数: 20

約数和(自身を含む): 39625354860

約数和(自身を除く): 11319857815

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2401, 12005, 2357809, 11789045, 16504663, 82523315, 115532641, 577663205, 808728487, 4043642435, 5661099409, 28305497045]

約数ペア:

[(1, 28305497045), (5, 5661099409), (7, 4043642435), (35, 808728487), (49, 577663205), (245, 115532641), (343, 82523315), (1715, 16504663), (2401, 11789045), (12005, 2357809)]