12661201

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4139}}^1$

素因数の和:4188

約数の個数: 16

約数和(自身を含む): 15897600

約数和(自身を除く): 3236399

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 4139, 28973, 78641, 95197, 550487, 666379, 1808743, 12661201]

約数ペア:

[(1, 12661201), (7, 1808743), (19, 666379), (23, 550487), (133, 95197), (161, 78641), (437, 28973), (3059, 4139)]