2007690916

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19813}}^1$

素因数の和:19889

約数の個数: 72

約数和(自身を含む): 4553732736

約数和(自身を除く): 2546041820

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 49, 77, 94, 98, 154, 188, 196, 308, 329, 517, 539, 658, 1034, 1078, 1316, 2068, 2156, 2303, 3619, 4606, 7238, 9212, 14476, 19813, 25333, 39626, 50666, 79252, 101332, 138691, 217943, 277382, 435886, 554764, 871772, 931211, 970837, 1525601, 1862422, 1941674, 3051202, 3724844, 3883348, 6102404, 6518477, 10243321, 10679207, 13036954, 20486642, 21358414, 26073908, 40973284, 42716828, 45629339, 71703247, 91258678, 143406494, 182517356, 286812988, 501922729, 1003845458, 2007690916]

約数ペア:

[(1, 2007690916), (2, 1003845458), (4, 501922729), (7, 286812988), (11, 182517356), (14, 143406494), (22, 91258678), (28, 71703247), (44, 45629339), (47, 42716828), (49, 40973284), (77, 26073908), (94, 21358414), (98, 20486642), (154, 13036954), (188, 10679207), (196, 10243321), (308, 6518477), (329, 6102404), (517, 3883348), (539, 3724844), (658, 3051202), (1034, 1941674), (1078, 1862422), (1316, 1525601), (2068, 970837), (2156, 931211), (2303, 871772), (3619, 554764), (4606, 435886), (7238, 277382), (9212, 217943), (14476, 138691), (19813, 101332), (25333, 79252), (39626, 50666)]