256389952

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:389

約数の個数: 168

約数和(自身を含む): 672937440

約数和(自身を除く): 416547488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 56, 64, 76, 91, 98, 104, 112, 133, 152, 182, 196, 208, 224, 247, 266, 304, 331, 364, 392, 416, 448, 494, 532, 608, 637, 662, 728, 784, 832, 931, 988, 1064, 1216, 1274, 1324, 1456, 1568, 1729, 1862, 1976, 2128, 2317, 2548, 2648, 2912, 3136, 3458, 3724, 3952, 4256, 4303, 4634, 5096, 5296, 5824, 6289, 6916, 7448, 7904, 8512, 8606, 9268, 10192, 10592, 12103, 12578, 13832, 14896, 15808, 16219, 17212, 18536, 20384, 21184, 24206, 25156, 27664, 29792, 30121, 32438, 34424, 37072, 40768, 44023, 48412, 50312, 55328, 59584, 60242, 64876, 68848, 74144, 81757, 88046, 96824, 100624, 110656, 120484, 129752, 137696, 148288, 163514, 176092, 193648, 201248, 210847, 240968, 259504, 275392, 308161, 327028, 352184, 387296, 402496, 421694, 481936, 519008, 572299, 616322, 654056, 704368, 774592, 843388, 963872, 1038016, 1144598, 1232644, 1308112, 1408736, 1686776, 1927744, 2289196, 2465288, 2616224, 2817472, 3373552, 4006093, 4578392, 4930576, 5232448, 6747104, 8012186, 9156784, 9861152, 13494208, 16024372, 18313568, 19722304, 32048744, 36627136, 64097488, 128194976, 256389952]

約数ペア:

[(1, 256389952), (2, 128194976), (4, 64097488), (7, 36627136), (8, 32048744), (13, 19722304), (14, 18313568), (16, 16024372), (19, 13494208), (26, 9861152), (28, 9156784), (32, 8012186), (38, 6747104), (49, 5232448), (52, 4930576), (56, 4578392), (64, 4006093), (76, 3373552), (91, 2817472), (98, 2616224), (104, 2465288), (112, 2289196), (133, 1927744), (152, 1686776), (182, 1408736), (196, 1308112), (208, 1232644), (224, 1144598), (247, 1038016), (266, 963872), (304, 843388), (331, 774592), (364, 704368), (392, 654056), (416, 616322), (448, 572299), (494, 519008), (532, 481936), (608, 421694), (637, 402496), (662, 387296), (728, 352184), (784, 327028), (832, 308161), (931, 275392), (988, 259504), (1064, 240968), (1216, 210847), (1274, 201248), (1324, 193648), (1456, 176092), (1568, 163514), (1729, 148288), (1862, 137696), (1976, 129752), (2128, 120484), (2317, 110656), (2548, 100624), (2648, 96824), (2912, 88046), (3136, 81757), (3458, 74144), (3724, 68848), (3952, 64876), (4256, 60242), (4303, 59584), (4634, 55328), (5096, 50312), (5296, 48412), (5824, 44023), (6289, 40768), (6916, 37072), (7448, 34424), (7904, 32438), (8512, 30121), (8606, 29792), (9268, 27664), (10192, 25156), (10592, 24206), (12103, 21184), (12578, 20384), (13832, 18536), (14896, 17212), (15808, 16219)]