67857881

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5443}}^1$

素因数の和:5600

約数の個数: 16

約数和(自身を含む): 84142464

約数和(自身を除く): 16284583

約数列:

[1, 7, 13, 91, 137, 959, 1781, 5443, 12467, 38101, 70759, 495313, 745691, 5219837, 9693983, 67857881]

約数ペア:

[(1, 67857881), (7, 9693983), (13, 5219837), (91, 745691), (137, 495313), (959, 70759), (1781, 38101), (5443, 12467)]