66847340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{691}}^2$

素因数の和:1398

約数の個数: 36

約数和(自身を含む): 160666128

約数和(自身を除く): 93818788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 691, 1382, 2764, 3455, 4837, 6910, 9674, 13820, 19348, 24185, 48370, 96740, 477481, 954962, 1909924, 2387405, 3342367, 4774810, 6684734, 9549620, 13369468, 16711835, 33423670, 66847340]

約数ペア:

[(1, 66847340), (2, 33423670), (4, 16711835), (5, 13369468), (7, 9549620), (10, 6684734), (14, 4774810), (20, 3342367), (28, 2387405), (35, 1909924), (70, 954962), (140, 477481), (691, 96740), (1382, 48370), (2764, 24185), (3455, 19348), (4837, 13820), (6910, 9674)]