256690872

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:693

約数の個数: 96

約数和(自身を含む): 714944880

約数和(自身を除く): 458254008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 137, 159, 212, 274, 318, 411, 424, 477, 491, 548, 636, 822, 954, 982, 1096, 1233, 1272, 1473, 1644, 1908, 1964, 2466, 2946, 3288, 3816, 3928, 4419, 4932, 5892, 7261, 8838, 9864, 11784, 14522, 17676, 21783, 26023, 29044, 35352, 43566, 52046, 58088, 65349, 67267, 78069, 87132, 104092, 130698, 134534, 156138, 174264, 201801, 208184, 234207, 261396, 269068, 312276, 403602, 468414, 522792, 538136, 605403, 624552, 807204, 936828, 1210806, 1614408, 1873656, 2421612, 3565151, 4843224, 7130302, 10695453, 14260604, 21390906, 28521208, 32086359, 42781812, 64172718, 85563624, 128345436, 256690872]

約数ペア:

[(1, 256690872), (2, 128345436), (3, 85563624), (4, 64172718), (6, 42781812), (8, 32086359), (9, 28521208), (12, 21390906), (18, 14260604), (24, 10695453), (36, 7130302), (53, 4843224), (72, 3565151), (106, 2421612), (137, 1873656), (159, 1614408), (212, 1210806), (274, 936828), (318, 807204), (411, 624552), (424, 605403), (477, 538136), (491, 522792), (548, 468414), (636, 403602), (822, 312276), (954, 269068), (982, 261396), (1096, 234207), (1233, 208184), (1272, 201801), (1473, 174264), (1644, 156138), (1908, 134534), (1964, 130698), (2466, 104092), (2946, 87132), (3288, 78069), (3816, 67267), (3928, 65349), (4419, 58088), (4932, 52046), (5892, 43566), (7261, 35352), (8838, 29044), (9864, 26023), (11784, 21783), (14522, 17676)]