201681788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15971}}^1$

素因数の和:16034

約数の個数: 48

約数和(自身を含む): 450793728

約数和(自身を除く): 249111940

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1804, 3157, 6314, 12628, 15971, 31942, 63884, 111797, 175681, 223594, 351362, 447188, 654811, 702724, 1229767, 1309622, 2459534, 2619244, 4583677, 4919068, 7202921, 9167354, 14405842, 18334708, 28811684, 50420447, 100840894, 201681788]

約数ペア:

[(1, 201681788), (2, 100840894), (4, 50420447), (7, 28811684), (11, 18334708), (14, 14405842), (22, 9167354), (28, 7202921), (41, 4919068), (44, 4583677), (77, 2619244), (82, 2459534), (154, 1309622), (164, 1229767), (287, 702724), (308, 654811), (451, 447188), (574, 351362), (902, 223594), (1148, 175681), (1804, 111797), (3157, 63884), (6314, 31942), (12628, 15971)]