81192293

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{4001}}^1$

素因数の和:4244

約数の個数: 16

約数和(自身を含む): 100402176

約数和(自身を除く): 19209883

約数列:

[1, 7, 13, 91, 223, 1561, 2899, 4001, 20293, 28007, 52013, 364091, 892223, 6245561, 11598899, 81192293]

約数ペア:

[(1, 81192293), (7, 11598899), (13, 6245561), (91, 892223), (223, 364091), (1561, 52013), (2899, 28007), (4001, 20293)]