12217961

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 14582400

約数和(自身を除く): 2364439

約数列:

[1, 7, 29, 139, 203, 433, 973, 3031, 4031, 12557, 28217, 60187, 87899, 421309, 1745423, 12217961]

約数ペア:

[(1, 12217961), (7, 1745423), (29, 421309), (139, 87899), (203, 60187), (433, 28217), (973, 12557), (3031, 4031)]