389125206

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 980828160

約数和(自身を除く): 591702954

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 31, 34, 38, 51, 57, 62, 93, 102, 114, 127, 153, 171, 186, 254, 279, 289, 306, 323, 342, 381, 527, 558, 578, 589, 646, 762, 867, 969, 1054, 1143, 1178, 1581, 1734, 1767, 1938, 2159, 2286, 2413, 2601, 2907, 3162, 3534, 3937, 4318, 4743, 4826, 5202, 5301, 5491, 5814, 6477, 7239, 7874, 8959, 9486, 10013, 10602, 10982, 11811, 12954, 14478, 16473, 17918, 19431, 20026, 21717, 23622, 26877, 30039, 32946, 35433, 36703, 38862, 41021, 43434, 49419, 53754, 60078, 66929, 70866, 73406, 74803, 80631, 82042, 90117, 98838, 110109, 123063, 133858, 149606, 161262, 170221, 180234, 200787, 220218, 224409, 246126, 330327, 340442, 369189, 401574, 448818, 510663, 602361, 660654, 673227, 697357, 738378, 1021326, 1137793, 1204722, 1271651, 1346454, 1394714, 1531989, 2092071, 2275586, 2543302, 3063978, 3413379, 3814953, 4184142, 6276213, 6826758, 7629906, 10240137, 11444859, 12552426, 20480274, 21618067, 22889718, 43236134, 64854201, 129708402, 194562603, 389125206]

約数ペア:

[(1, 389125206), (2, 194562603), (3, 129708402), (6, 64854201), (9, 43236134), (17, 22889718), (18, 21618067), (19, 20480274), (31, 12552426), (34, 11444859), (38, 10240137), (51, 7629906), (57, 6826758), (62, 6276213), (93, 4184142), (102, 3814953), (114, 3413379), (127, 3063978), (153, 2543302), (171, 2275586), (186, 2092071), (254, 1531989), (279, 1394714), (289, 1346454), (306, 1271651), (323, 1204722), (342, 1137793), (381, 1021326), (527, 738378), (558, 697357), (578, 673227), (589, 660654), (646, 602361), (762, 510663), (867, 448818), (969, 401574), (1054, 369189), (1143, 340442), (1178, 330327), (1581, 246126), (1734, 224409), (1767, 220218), (1938, 200787), (2159, 180234), (2286, 170221), (2413, 161262), (2601, 149606), (2907, 133858), (3162, 123063), (3534, 110109), (3937, 98838), (4318, 90117), (4743, 82042), (4826, 80631), (5202, 74803), (5301, 73406), (5491, 70866), (5814, 66929), (6477, 60078), (7239, 53754), (7874, 49419), (8959, 43434), (9486, 41021), (10013, 38862), (10602, 36703), (10982, 35433), (11811, 32946), (12954, 30039), (14478, 26877), (16473, 23622), (17918, 21717), (19431, 20026)]