256553024

素因数分解:

$2^6\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 224

約数和(自身を含む): 682752000

約数和(自身を除く): 426198976

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 31, 32, 49, 52, 56, 58, 62, 64, 91, 98, 104, 112, 116, 124, 182, 196, 203, 208, 217, 224, 232, 248, 343, 364, 377, 392, 403, 406, 416, 434, 448, 464, 496, 637, 686, 728, 754, 784, 806, 812, 832, 868, 899, 928, 992, 1274, 1372, 1421, 1456, 1508, 1519, 1568, 1612, 1624, 1736, 1798, 1856, 1984, 2548, 2639, 2744, 2821, 2842, 2912, 3016, 3038, 3136, 3224, 3248, 3472, 3596, 4459, 5096, 5278, 5488, 5642, 5684, 5824, 6032, 6076, 6293, 6448, 6496, 6944, 7192, 8918, 9947, 10192, 10556, 10633, 10976, 11284, 11368, 11687, 12064, 12152, 12586, 12896, 12992, 13888, 14384, 17836, 18473, 19747, 19894, 20384, 21112, 21266, 21952, 22568, 22736, 23374, 24128, 24304, 25172, 25792, 28768, 35672, 36946, 39494, 39788, 40768, 42224, 42532, 44051, 45136, 45472, 46748, 48608, 50344, 57536, 71344, 73892, 78988, 79576, 81809, 84448, 85064, 88102, 90272, 90944, 93496, 97216, 100688, 129311, 138229, 142688, 147784, 157976, 159152, 163618, 168896, 170128, 176204, 180544, 186992, 201376, 258622, 276458, 285376, 295568, 308357, 315952, 318304, 327236, 340256, 352408, 373984, 402752, 517244, 552916, 572663, 591136, 616714, 631904, 636608, 654472, 680512, 704816, 747968, 1034488, 1105832, 1145326, 1182272, 1233428, 1263808, 1308944, 1409632, 2068976, 2211664, 2290652, 2466856, 2617888, 2819264, 4008641, 4137952, 4423328, 4581304, 4933712, 5235776, 8017282, 8275904, 8846656, 9162608, 9867424, 16034564, 18325216, 19734848, 32069128, 36650432, 64138256, 128276512, 256553024]

約数ペア:

[(1, 256553024), (2, 128276512), (4, 64138256), (7, 36650432), (8, 32069128), (13, 19734848), (14, 18325216), (16, 16034564), (26, 9867424), (28, 9162608), (29, 8846656), (31, 8275904), (32, 8017282), (49, 5235776), (52, 4933712), (56, 4581304), (58, 4423328), (62, 4137952), (64, 4008641), (91, 2819264), (98, 2617888), (104, 2466856), (112, 2290652), (116, 2211664), (124, 2068976), (182, 1409632), (196, 1308944), (203, 1263808), (208, 1233428), (217, 1182272), (224, 1145326), (232, 1105832), (248, 1034488), (343, 747968), (364, 704816), (377, 680512), (392, 654472), (403, 636608), (406, 631904), (416, 616714), (434, 591136), (448, 572663), (464, 552916), (496, 517244), (637, 402752), (686, 373984), (728, 352408), (754, 340256), (784, 327236), (806, 318304), (812, 315952), (832, 308357), (868, 295568), (899, 285376), (928, 276458), (992, 258622), (1274, 201376), (1372, 186992), (1421, 180544), (1456, 176204), (1508, 170128), (1519, 168896), (1568, 163618), (1612, 159152), (1624, 157976), (1736, 147784), (1798, 142688), (1856, 138229), (1984, 129311), (2548, 100688), (2639, 97216), (2744, 93496), (2821, 90944), (2842, 90272), (2912, 88102), (3016, 85064), (3038, 84448), (3136, 81809), (3224, 79576), (3248, 78988), (3472, 73892), (3596, 71344), (4459, 57536), (5096, 50344), (5278, 48608), (5488, 46748), (5642, 45472), (5684, 45136), (5824, 44051), (6032, 42532), (6076, 42224), (6293, 40768), (6448, 39788), (6496, 39494), (6944, 36946), (7192, 35672), (8918, 28768), (9947, 25792), (10192, 25172), (10556, 24304), (10633, 24128), (10976, 23374), (11284, 22736), (11368, 22568), (11687, 21952), (12064, 21266), (12152, 21112), (12586, 20384), (12896, 19894), (12992, 19747), (13888, 18473), (14384, 17836)]