1288489968689

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{20382017}}^1$

素因数の和:20382856

約数の個数: 16

約数和(自身を含む): 1608385804416

約数和(自身を除く): 319895835727

約数列:

[1, 7, 11, 77, 821, 5747, 9031, 63217, 20382017, 142674119, 224202187, 1569415309, 16733635957, 117135451699, 184069995527, 1288489968689]

約数ペア:

[(1, 1288489968689), (7, 184069995527), (11, 117135451699), (77, 16733635957), (821, 1569415309), (5747, 224202187), (9031, 142674119), (63217, 20382017)]