1306991

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 1628160

約数和(自身を除く): 321169

約数列:

[1, 7, 19, 31, 133, 217, 317, 589, 2219, 4123, 6023, 9827, 42161, 68789, 186713, 1306991]

約数ペア:

[(1, 1306991), (7, 186713), (19, 68789), (31, 42161), (133, 9827), (217, 6023), (317, 4123), (589, 2219)]