1971864492

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{407747}}^1$

素因数の和:407798

約数の個数: 48

約数和(自身を含む): 5114790912

約数和(自身を除く): 3142926420

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4836, 407747, 815494, 1223241, 1630988, 2446482, 4892964, 5300711, 10601422, 12640157, 15902133, 21202844, 25280314, 31804266, 37920471, 50560628, 63608532, 75840942, 151681884, 164322041, 328644082, 492966123, 657288164, 985932246, 1971864492]

約数ペア:

[(1, 1971864492), (2, 985932246), (3, 657288164), (4, 492966123), (6, 328644082), (12, 164322041), (13, 151681884), (26, 75840942), (31, 63608532), (39, 50560628), (52, 37920471), (62, 31804266), (78, 25280314), (93, 21202844), (124, 15902133), (156, 12640157), (186, 10601422), (372, 5300711), (403, 4892964), (806, 2446482), (1209, 1630988), (1612, 1223241), (2418, 815494), (4836, 407747)]