999952825

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{449417}}^1$

素因数の和:449516

約数の個数: 12

約数和(自身を含む): 1253876220

約数和(自身を除く): 253923395

約数列:

[1, 5, 25, 89, 445, 2225, 449417, 2247085, 11235425, 39998113, 199990565, 999952825]

約数ペア:

[(1, 999952825), (5, 199990565), (25, 39998113), (89, 11235425), (445, 2247085), (2225, 449417)]