30991135

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{9949}}^1$

素因数の和:10050

約数の個数: 16

約数和(自身を含む): 42984000

約数和(自身を除く): 11992865

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 9949, 49745, 69643, 348215, 885461, 4427305, 6198227, 30991135]

約数ペア:

[(1, 30991135), (5, 6198227), (7, 4427305), (35, 885461), (89, 348215), (445, 69643), (623, 49745), (3115, 9949)]