209159568

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2061

約数の個数: 120

約数和(自身を含む): 634521888

約数和(自身を除く): 425362320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 43, 48, 51, 68, 72, 86, 102, 129, 136, 144, 153, 172, 204, 258, 272, 306, 344, 387, 408, 516, 612, 688, 731, 774, 816, 1032, 1224, 1462, 1548, 1987, 2064, 2193, 2448, 2924, 3096, 3974, 4386, 5848, 5961, 6192, 6579, 7948, 8772, 11696, 11922, 13158, 15896, 17544, 17883, 23844, 26316, 31792, 33779, 35088, 35766, 47688, 52632, 67558, 71532, 85441, 95376, 101337, 105264, 135116, 143064, 170882, 202674, 256323, 270232, 286128, 304011, 341764, 405348, 512646, 540464, 608022, 683528, 768969, 810696, 1025292, 1216044, 1367056, 1452497, 1537938, 1621392, 2050584, 2432088, 2904994, 3075876, 4101168, 4357491, 4864176, 5809988, 6151752, 8714982, 11619976, 12303504, 13072473, 17429964, 23239952, 26144946, 34859928, 52289892, 69719856, 104579784, 209159568]

約数ペア:

[(1, 209159568), (2, 104579784), (3, 69719856), (4, 52289892), (6, 34859928), (8, 26144946), (9, 23239952), (12, 17429964), (16, 13072473), (17, 12303504), (18, 11619976), (24, 8714982), (34, 6151752), (36, 5809988), (43, 4864176), (48, 4357491), (51, 4101168), (68, 3075876), (72, 2904994), (86, 2432088), (102, 2050584), (129, 1621392), (136, 1537938), (144, 1452497), (153, 1367056), (172, 1216044), (204, 1025292), (258, 810696), (272, 768969), (306, 683528), (344, 608022), (387, 540464), (408, 512646), (516, 405348), (612, 341764), (688, 304011), (731, 286128), (774, 270232), (816, 256323), (1032, 202674), (1224, 170882), (1462, 143064), (1548, 135116), (1987, 105264), (2064, 101337), (2193, 95376), (2448, 85441), (2924, 71532), (3096, 67558), (3974, 52632), (4386, 47688), (5848, 35766), (5961, 35088), (6192, 33779), (6579, 31792), (7948, 26316), (8772, 23844), (11696, 17883), (11922, 17544), (13158, 15896)]