66890978

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{5641}}^1$

素因数の和:5679

約数の個数: 36

約数和(自身を含む): 128316006

約数和(自身を除く): 61425028

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 154, 242, 539, 847, 1078, 1694, 5641, 5929, 11282, 11858, 39487, 62051, 78974, 124102, 276409, 434357, 552818, 682561, 868714, 1365122, 3040499, 4777927, 6080998, 9555854, 33445489, 66890978]

約数ペア:

[(1, 66890978), (2, 33445489), (7, 9555854), (11, 6080998), (14, 4777927), (22, 3040499), (49, 1365122), (77, 868714), (98, 682561), (121, 552818), (154, 434357), (242, 276409), (539, 124102), (847, 78974), (1078, 62051), (1694, 39487), (5641, 11858), (5929, 11282)]