61978609

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{18719}}^1$

素因数の和:18780

約数の個数: 16

約数和(自身を含む): 79073280

約数和(自身を除く): 17094671

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 18719, 131033, 205909, 804917, 1441363, 5634419, 8854087, 61978609]

約数ペア:

[(1, 61978609), (7, 8854087), (11, 5634419), (43, 1441363), (77, 804917), (301, 205909), (473, 131033), (3311, 18719)]