9989245

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12409}}^1$

素因数の和:12444

約数の個数: 16

約数和(自身を含む): 14296320

約数和(自身を除く): 4307075

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 12409, 62045, 86863, 285407, 434315, 1427035, 1997849, 9989245]

約数ペア:

[(1, 9989245), (5, 1997849), (7, 1427035), (23, 434315), (35, 285407), (115, 86863), (161, 62045), (805, 12409)]