218973888

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 224

約数和(自身を含む): 754603520

約数和(自身を除く): 535629632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 43, 48, 54, 56, 63, 64, 72, 84, 86, 96, 108, 112, 126, 129, 144, 168, 172, 189, 192, 216, 224, 252, 258, 288, 301, 336, 344, 378, 387, 421, 432, 448, 504, 516, 576, 602, 672, 688, 756, 774, 842, 864, 903, 1008, 1032, 1161, 1204, 1263, 1344, 1376, 1512, 1548, 1684, 1728, 1806, 2016, 2064, 2322, 2408, 2526, 2709, 2752, 2947, 3024, 3096, 3368, 3612, 3789, 4032, 4128, 4644, 4816, 5052, 5418, 5894, 6048, 6192, 6736, 7224, 7578, 8127, 8256, 8841, 9288, 9632, 10104, 10836, 11367, 11788, 12096, 12384, 13472, 14448, 15156, 16254, 17682, 18103, 18576, 19264, 20208, 21672, 22734, 23576, 24768, 26523, 26944, 28896, 30312, 32508, 35364, 36206, 37152, 40416, 43344, 45468, 47152, 53046, 54309, 57792, 60624, 65016, 70728, 72412, 74304, 79569, 80832, 86688, 90936, 94304, 106092, 108618, 121248, 126721, 130032, 141456, 144824, 159138, 162927, 173376, 181872, 188608, 212184, 217236, 242496, 253442, 260064, 282912, 289648, 318276, 325854, 363744, 380163, 424368, 434472, 488781, 506884, 520128, 565824, 579296, 636552, 651708, 727488, 760326, 848736, 868944, 977562, 1013768, 1140489, 1158592, 1273104, 1303416, 1520652, 1697472, 1737888, 1955124, 2027536, 2280978, 2546208, 2606832, 3041304, 3421467, 3475776, 3910248, 4055072, 4561956, 5092416, 5213664, 6082608, 6842934, 7820496, 8110144, 9123912, 10427328, 12165216, 13685868, 15640992, 18247824, 24330432, 27371736, 31281984, 36495648, 54743472, 72991296, 109486944, 218973888]

約数ペア:

[(1, 218973888), (2, 109486944), (3, 72991296), (4, 54743472), (6, 36495648), (7, 31281984), (8, 27371736), (9, 24330432), (12, 18247824), (14, 15640992), (16, 13685868), (18, 12165216), (21, 10427328), (24, 9123912), (27, 8110144), (28, 7820496), (32, 6842934), (36, 6082608), (42, 5213664), (43, 5092416), (48, 4561956), (54, 4055072), (56, 3910248), (63, 3475776), (64, 3421467), (72, 3041304), (84, 2606832), (86, 2546208), (96, 2280978), (108, 2027536), (112, 1955124), (126, 1737888), (129, 1697472), (144, 1520652), (168, 1303416), (172, 1273104), (189, 1158592), (192, 1140489), (216, 1013768), (224, 977562), (252, 868944), (258, 848736), (288, 760326), (301, 727488), (336, 651708), (344, 636552), (378, 579296), (387, 565824), (421, 520128), (432, 506884), (448, 488781), (504, 434472), (516, 424368), (576, 380163), (602, 363744), (672, 325854), (688, 318276), (756, 289648), (774, 282912), (842, 260064), (864, 253442), (903, 242496), (1008, 217236), (1032, 212184), (1161, 188608), (1204, 181872), (1263, 173376), (1344, 162927), (1376, 159138), (1512, 144824), (1548, 141456), (1684, 130032), (1728, 126721), (1806, 121248), (2016, 108618), (2064, 106092), (2322, 94304), (2408, 90936), (2526, 86688), (2709, 80832), (2752, 79569), (2947, 74304), (3024, 72412), (3096, 70728), (3368, 65016), (3612, 60624), (3789, 57792), (4032, 54309), (4128, 53046), (4644, 47152), (4816, 45468), (5052, 43344), (5418, 40416), (5894, 37152), (6048, 36206), (6192, 35364), (6736, 32508), (7224, 30312), (7578, 28896), (8127, 26944), (8256, 26523), (8841, 24768), (9288, 23576), (9632, 22734), (10104, 21672), (10836, 20208), (11367, 19264), (11788, 18576), (12096, 18103), (12384, 17682), (13472, 16254), (14448, 15156)]