256173894

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{769}}^1$

素因数の和:1010

約数の個数: 64

約数和(自身を含む): 591360000

約数和(自身を除く): 335186106

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 199, 279, 398, 558, 597, 769, 837, 1194, 1538, 1674, 1791, 2307, 3582, 4614, 5373, 6169, 6921, 10746, 12338, 13842, 18507, 20763, 23839, 37014, 41526, 47678, 55521, 71517, 111042, 143034, 153031, 166563, 214551, 306062, 333126, 429102, 459093, 643653, 918186, 1287306, 1377279, 2754558, 4131837, 4743961, 8263674, 9487922, 14231883, 28463766, 42695649, 85391298, 128086947, 256173894]

約数ペア:

[(1, 256173894), (2, 128086947), (3, 85391298), (6, 42695649), (9, 28463766), (18, 14231883), (27, 9487922), (31, 8263674), (54, 4743961), (62, 4131837), (93, 2754558), (186, 1377279), (199, 1287306), (279, 918186), (398, 643653), (558, 459093), (597, 429102), (769, 333126), (837, 306062), (1194, 214551), (1538, 166563), (1674, 153031), (1791, 143034), (2307, 111042), (3582, 71517), (4614, 55521), (5373, 47678), (6169, 41526), (6921, 37014), (10746, 23839), (12338, 20763), (13842, 18507)]