257618556

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1973}}^1$

素因数の和:2033

約数の個数: 120

約数和(自身を含む): 749046144

約数和(自身を除く): 491427588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 81, 93, 108, 117, 124, 156, 162, 186, 234, 279, 324, 351, 372, 403, 468, 558, 702, 806, 837, 1053, 1116, 1209, 1404, 1612, 1674, 1973, 2106, 2418, 2511, 3348, 3627, 3946, 4212, 4836, 5022, 5919, 7254, 7892, 10044, 10881, 11838, 14508, 17757, 21762, 23676, 25649, 32643, 35514, 43524, 51298, 53271, 61163, 65286, 71028, 76947, 102596, 106542, 122326, 130572, 153894, 159813, 183489, 213084, 230841, 244652, 307788, 319626, 366978, 461682, 550467, 639252, 692523, 733956, 795119, 923364, 1100934, 1385046, 1590238, 1651401, 2077569, 2201868, 2385357, 2770092, 3180476, 3302802, 4155138, 4770714, 4954203, 6605604, 7156071, 8310276, 9541428, 9908406, 14312142, 19816812, 21468213, 28624284, 42936426, 64404639, 85872852, 128809278, 257618556]

約数ペア:

[(1, 257618556), (2, 128809278), (3, 85872852), (4, 64404639), (6, 42936426), (9, 28624284), (12, 21468213), (13, 19816812), (18, 14312142), (26, 9908406), (27, 9541428), (31, 8310276), (36, 7156071), (39, 6605604), (52, 4954203), (54, 4770714), (62, 4155138), (78, 3302802), (81, 3180476), (93, 2770092), (108, 2385357), (117, 2201868), (124, 2077569), (156, 1651401), (162, 1590238), (186, 1385046), (234, 1100934), (279, 923364), (324, 795119), (351, 733956), (372, 692523), (403, 639252), (468, 550467), (558, 461682), (702, 366978), (806, 319626), (837, 307788), (1053, 244652), (1116, 230841), (1209, 213084), (1404, 183489), (1612, 159813), (1674, 153894), (1973, 130572), (2106, 122326), (2418, 106542), (2511, 102596), (3348, 76947), (3627, 71028), (3946, 65286), (4212, 61163), (4836, 53271), (5022, 51298), (5919, 43524), (7254, 35514), (7892, 32643), (10044, 25649), (10881, 23676), (11838, 21762), (14508, 17757)]