209897776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 492035472

約数和(自身を除く): 282137696

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 31, 34, 44, 62, 68, 73, 88, 124, 136, 146, 176, 187, 248, 272, 292, 341, 374, 496, 527, 584, 682, 748, 803, 961, 1054, 1168, 1241, 1364, 1496, 1606, 1922, 2108, 2263, 2482, 2728, 2992, 3212, 3844, 4216, 4526, 4964, 5456, 5797, 6424, 7688, 8432, 9052, 9928, 10571, 11594, 12848, 13651, 15376, 16337, 18104, 19856, 21142, 23188, 24893, 27302, 32674, 36208, 38471, 42284, 46376, 49786, 54604, 65348, 70153, 76942, 84568, 92752, 99572, 109208, 130696, 140306, 153884, 169136, 179707, 199144, 218416, 261392, 280612, 307768, 359414, 398288, 423181, 561224, 615536, 718828, 771683, 846362, 1122448, 1192601, 1437656, 1543366, 1692724, 2385202, 2875312, 3086732, 3385448, 4770404, 6173464, 6770896, 9540808, 12346928, 13118611, 19081616, 26237222, 52474444, 104948888, 209897776]

約数ペア:

[(1, 209897776), (2, 104948888), (4, 52474444), (8, 26237222), (11, 19081616), (16, 13118611), (17, 12346928), (22, 9540808), (31, 6770896), (34, 6173464), (44, 4770404), (62, 3385448), (68, 3086732), (73, 2875312), (88, 2385202), (124, 1692724), (136, 1543366), (146, 1437656), (176, 1192601), (187, 1122448), (248, 846362), (272, 771683), (292, 718828), (341, 615536), (374, 561224), (496, 423181), (527, 398288), (584, 359414), (682, 307768), (748, 280612), (803, 261392), (961, 218416), (1054, 199144), (1168, 179707), (1241, 169136), (1364, 153884), (1496, 140306), (1606, 130696), (1922, 109208), (2108, 99572), (2263, 92752), (2482, 84568), (2728, 76942), (2992, 70153), (3212, 65348), (3844, 54604), (4216, 49786), (4526, 46376), (4964, 42284), (5456, 38471), (5797, 36208), (6424, 32674), (7688, 27302), (8432, 24893), (9052, 23188), (9928, 21142), (10571, 19856), (11594, 18104), (12848, 16337), (13651, 15376)]