256914112

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1486

約数の個数: 112

約数和(自身を含む): 648159232

約数和(自身を除く): 391245120

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 496, 728, 806, 832, 868, 992, 1423, 1456, 1612, 1736, 1984, 2821, 2846, 2912, 3224, 3472, 5642, 5692, 5824, 6448, 6944, 9961, 11284, 11384, 12896, 13888, 18499, 19922, 22568, 22768, 25792, 36998, 39844, 44113, 45136, 45536, 73996, 79688, 88226, 90272, 91072, 129493, 147992, 159376, 176452, 180544, 258986, 295984, 308791, 318752, 352904, 517972, 573469, 591968, 617582, 637504, 705808, 1035944, 1146938, 1183936, 1235164, 1411616, 2071888, 2293876, 2470328, 2823232, 4014283, 4143776, 4587752, 4940656, 8028566, 8287552, 9175504, 9881312, 16057132, 18351008, 19762624, 32114264, 36702016, 64228528, 128457056, 256914112]

約数ペア:

[(1, 256914112), (2, 128457056), (4, 64228528), (7, 36702016), (8, 32114264), (13, 19762624), (14, 18351008), (16, 16057132), (26, 9881312), (28, 9175504), (31, 8287552), (32, 8028566), (52, 4940656), (56, 4587752), (62, 4143776), (64, 4014283), (91, 2823232), (104, 2470328), (112, 2293876), (124, 2071888), (182, 1411616), (208, 1235164), (217, 1183936), (224, 1146938), (248, 1035944), (364, 705808), (403, 637504), (416, 617582), (434, 591968), (448, 573469), (496, 517972), (728, 352904), (806, 318752), (832, 308791), (868, 295984), (992, 258986), (1423, 180544), (1456, 176452), (1612, 159376), (1736, 147992), (1984, 129493), (2821, 91072), (2846, 90272), (2912, 88226), (3224, 79688), (3472, 73996), (5642, 45536), (5692, 45136), (5824, 44113), (6448, 39844), (6944, 36998), (9961, 25792), (11284, 22768), (11384, 22568), (12896, 19922), (13888, 18499)]