487142786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 912498048

約数和(自身を除く): 425355262

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 43, 71, 86, 142, 221, 247, 323, 361, 442, 494, 559, 646, 722, 731, 817, 923, 1118, 1207, 1349, 1462, 1634, 1846, 2414, 2698, 3053, 4199, 4693, 6106, 6137, 8398, 9386, 9503, 10621, 12274, 13889, 15523, 15691, 17537, 19006, 21242, 22933, 25631, 27778, 31046, 31382, 35074, 39689, 45866, 51262, 51901, 58007, 79378, 79781, 103802, 116014, 159562, 180557, 201799, 263891, 298129, 333203, 361114, 403598, 435727, 527782, 596258, 666406, 674713, 754091, 871454, 986119, 1102133, 1349426, 1508182, 1972238, 2204266, 3430583, 5664451, 6861166, 11328902, 12819547, 14327729, 18736261, 25639094, 28655458, 37472522, 243571393, 487142786]

約数ペア:

[(1, 487142786), (2, 243571393), (13, 37472522), (17, 28655458), (19, 25639094), (26, 18736261), (34, 14327729), (38, 12819547), (43, 11328902), (71, 6861166), (86, 5664451), (142, 3430583), (221, 2204266), (247, 1972238), (323, 1508182), (361, 1349426), (442, 1102133), (494, 986119), (559, 871454), (646, 754091), (722, 674713), (731, 666406), (817, 596258), (923, 527782), (1118, 435727), (1207, 403598), (1349, 361114), (1462, 333203), (1634, 298129), (1846, 263891), (2414, 201799), (2698, 180557), (3053, 159562), (4199, 116014), (4693, 103802), (6106, 79781), (6137, 79378), (8398, 58007), (9386, 51901), (9503, 51262), (10621, 45866), (12274, 39689), (13889, 35074), (15523, 31382), (15691, 31046), (17537, 27778), (19006, 25631), (21242, 22933)]