256470498

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 594397440

約数和(自身を除く): 337926942

約数列:

[1, 2, 3, 6, 9, 18, 41, 53, 79, 82, 83, 106, 123, 158, 159, 166, 237, 246, 249, 318, 369, 474, 477, 498, 711, 738, 747, 954, 1422, 1494, 2173, 3239, 3403, 4187, 4346, 4399, 6478, 6519, 6557, 6806, 8374, 8798, 9717, 10209, 12561, 13038, 13114, 13197, 19434, 19557, 19671, 20418, 25122, 26394, 29151, 30627, 37683, 39114, 39342, 39591, 58302, 59013, 61254, 75366, 79182, 118026, 171667, 180359, 268837, 343334, 347521, 360718, 515001, 537674, 541077, 695042, 806511, 1030002, 1042563, 1082154, 1545003, 1613022, 1623231, 2085126, 2419533, 3090006, 3127689, 3246462, 4839066, 6255378, 14248361, 28496722, 42745083, 85490166, 128235249, 256470498]

約数ペア:

[(1, 256470498), (2, 128235249), (3, 85490166), (6, 42745083), (9, 28496722), (18, 14248361), (41, 6255378), (53, 4839066), (79, 3246462), (82, 3127689), (83, 3090006), (106, 2419533), (123, 2085126), (158, 1623231), (159, 1613022), (166, 1545003), (237, 1082154), (246, 1042563), (249, 1030002), (318, 806511), (369, 695042), (474, 541077), (477, 537674), (498, 515001), (711, 360718), (738, 347521), (747, 343334), (954, 268837), (1422, 180359), (1494, 171667), (2173, 118026), (3239, 79182), (3403, 75366), (4187, 61254), (4346, 59013), (4399, 58302), (6478, 39591), (6519, 39342), (6557, 39114), (6806, 37683), (8374, 30627), (8798, 29151), (9717, 26394), (10209, 25122), (12561, 20418), (13038, 19671), (13114, 19557), (13197, 19434)]