211678943

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{51341}}^1$

素因数の和:51398

約数の個数: 16

約数和(自身を含む): 262871040

約数和(自身を除く): 51192097

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 51341, 359387, 975479, 1591571, 6828353, 11140997, 30239849, 211678943]

約数ペア:

[(1, 211678943), (7, 30239849), (19, 11140997), (31, 6828353), (133, 1591571), (217, 975479), (589, 359387), (4123, 51341)]