217071756

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 622702080

約数和(自身を除く): 405630324

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 47, 66, 94, 99, 107, 109, 132, 141, 188, 198, 214, 218, 282, 321, 327, 396, 423, 428, 436, 517, 564, 642, 654, 846, 963, 981, 1034, 1177, 1199, 1284, 1308, 1551, 1692, 1926, 1962, 2068, 2354, 2398, 3102, 3531, 3597, 3852, 3924, 4653, 4708, 4796, 5029, 5123, 6204, 7062, 7194, 9306, 10058, 10246, 10593, 10791, 11663, 14124, 14388, 15087, 15369, 18612, 20116, 20492, 21186, 21582, 23326, 30174, 30738, 34989, 42372, 43164, 45261, 46107, 46652, 55319, 56353, 60348, 61476, 69978, 90522, 92214, 104967, 110638, 112706, 128293, 139956, 165957, 169059, 181044, 184428, 209934, 221276, 225412, 256586, 331914, 338118, 384879, 419868, 497871, 507177, 513172, 548161, 663828, 676236, 769758, 995742, 1014354, 1096322, 1154637, 1539516, 1644483, 1991484, 2028708, 2192644, 2309274, 3288966, 4618548, 4933449, 6029771, 6577932, 9866898, 12059542, 18089313, 19733796, 24119084, 36178626, 54267939, 72357252, 108535878, 217071756]

約数ペア:

[(1, 217071756), (2, 108535878), (3, 72357252), (4, 54267939), (6, 36178626), (9, 24119084), (11, 19733796), (12, 18089313), (18, 12059542), (22, 9866898), (33, 6577932), (36, 6029771), (44, 4933449), (47, 4618548), (66, 3288966), (94, 2309274), (99, 2192644), (107, 2028708), (109, 1991484), (132, 1644483), (141, 1539516), (188, 1154637), (198, 1096322), (214, 1014354), (218, 995742), (282, 769758), (321, 676236), (327, 663828), (396, 548161), (423, 513172), (428, 507177), (436, 497871), (517, 419868), (564, 384879), (642, 338118), (654, 331914), (846, 256586), (963, 225412), (981, 221276), (1034, 209934), (1177, 184428), (1199, 181044), (1284, 169059), (1308, 165957), (1551, 139956), (1692, 128293), (1926, 112706), (1962, 110638), (2068, 104967), (2354, 92214), (2398, 90522), (3102, 69978), (3531, 61476), (3597, 60348), (3852, 56353), (3924, 55319), (4653, 46652), (4708, 46107), (4796, 45261), (5029, 43164), (5123, 42372), (6204, 34989), (7062, 30738), (7194, 30174), (9306, 23326), (10058, 21582), (10246, 21186), (10593, 20492), (10791, 20116), (11663, 18612), (14124, 15369), (14388, 15087)]