28961863

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1223}}^1$

素因数の和:1446

約数の個数: 16

約数和(自身を含む): 35251200

約数和(自身を除く): 6289337

約数列:

[1, 7, 17, 119, 199, 1223, 1393, 3383, 8561, 20791, 23681, 145537, 243377, 1703639, 4137409, 28961863]

約数ペア:

[(1, 28961863), (7, 4137409), (17, 1703639), (119, 243377), (199, 145537), (1223, 23681), (1393, 20791), (3383, 8561)]