209813856

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 192

約数和(自身を含む): 661022208

約数和(自身を除く): 451208352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 53, 56, 84, 86, 96, 106, 112, 129, 137, 159, 168, 172, 212, 224, 258, 274, 301, 318, 336, 344, 371, 411, 424, 516, 548, 602, 636, 672, 688, 742, 822, 848, 903, 959, 1032, 1096, 1113, 1204, 1272, 1376, 1484, 1644, 1696, 1806, 1918, 2064, 2192, 2226, 2279, 2408, 2544, 2877, 2968, 3288, 3612, 3836, 4128, 4384, 4452, 4558, 4816, 5088, 5754, 5891, 5936, 6576, 6837, 7224, 7261, 7672, 8904, 9116, 9632, 11508, 11782, 11872, 13152, 13674, 14448, 14522, 15344, 15953, 17673, 17808, 18232, 21783, 23016, 23564, 27348, 28896, 29044, 30688, 31906, 35346, 35616, 36464, 41237, 43566, 46032, 47128, 47859, 50827, 54696, 58088, 63812, 70692, 72928, 82474, 87132, 92064, 94256, 95718, 101654, 109392, 116176, 123711, 127624, 141384, 152481, 164948, 174264, 188512, 191436, 203308, 218784, 232352, 247422, 255248, 282768, 304962, 312223, 329896, 348528, 382872, 406616, 494844, 510496, 565536, 609924, 624446, 659792, 697056, 765744, 813232, 936669, 989688, 1219848, 1248892, 1319584, 1531488, 1626464, 1873338, 1979376, 2185561, 2439696, 2497784, 3746676, 3958752, 4371122, 4879392, 4995568, 6556683, 7493352, 8742244, 9991136, 13113366, 14986704, 17484488, 26226732, 29973408, 34968976, 52453464, 69937952, 104906928, 209813856]

約数ペア:

[(1, 209813856), (2, 104906928), (3, 69937952), (4, 52453464), (6, 34968976), (7, 29973408), (8, 26226732), (12, 17484488), (14, 14986704), (16, 13113366), (21, 9991136), (24, 8742244), (28, 7493352), (32, 6556683), (42, 4995568), (43, 4879392), (48, 4371122), (53, 3958752), (56, 3746676), (84, 2497784), (86, 2439696), (96, 2185561), (106, 1979376), (112, 1873338), (129, 1626464), (137, 1531488), (159, 1319584), (168, 1248892), (172, 1219848), (212, 989688), (224, 936669), (258, 813232), (274, 765744), (301, 697056), (318, 659792), (336, 624446), (344, 609924), (371, 565536), (411, 510496), (424, 494844), (516, 406616), (548, 382872), (602, 348528), (636, 329896), (672, 312223), (688, 304962), (742, 282768), (822, 255248), (848, 247422), (903, 232352), (959, 218784), (1032, 203308), (1096, 191436), (1113, 188512), (1204, 174264), (1272, 164948), (1376, 152481), (1484, 141384), (1644, 127624), (1696, 123711), (1806, 116176), (1918, 109392), (2064, 101654), (2192, 95718), (2226, 94256), (2279, 92064), (2408, 87132), (2544, 82474), (2877, 72928), (2968, 70692), (3288, 63812), (3612, 58088), (3836, 54696), (4128, 50827), (4384, 47859), (4452, 47128), (4558, 46032), (4816, 43566), (5088, 41237), (5754, 36464), (5891, 35616), (5936, 35346), (6576, 31906), (6837, 30688), (7224, 29044), (7261, 28896), (7672, 27348), (8904, 23564), (9116, 23016), (9632, 21783), (11508, 18232), (11782, 17808), (11872, 17673), (13152, 15953), (13674, 15344), (14448, 14522)]