256678656

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:626

約数の個数: 144

約数和(自身を含む): 752715264

約数和(自身を除く): 496036608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 47, 48, 52, 64, 78, 94, 96, 104, 128, 141, 156, 188, 192, 208, 256, 282, 312, 376, 384, 416, 547, 564, 611, 624, 752, 768, 832, 1094, 1128, 1222, 1248, 1504, 1641, 1664, 1833, 2188, 2256, 2444, 2496, 3008, 3282, 3328, 3666, 4376, 4512, 4888, 4992, 6016, 6564, 7111, 7332, 8752, 9024, 9776, 9984, 12032, 13128, 14222, 14664, 17504, 18048, 19552, 21333, 25709, 26256, 28444, 29328, 35008, 36096, 39104, 42666, 51418, 52512, 56888, 58656, 70016, 77127, 78208, 85332, 102836, 105024, 113776, 117312, 140032, 154254, 156416, 170664, 205672, 210048, 227552, 234624, 308508, 334217, 341328, 411344, 420096, 455104, 469248, 617016, 668434, 682656, 822688, 910208, 1002651, 1234032, 1336868, 1365312, 1645376, 1820416, 2005302, 2468064, 2673736, 2730624, 3290752, 4010604, 4936128, 5347472, 5461248, 6581504, 8021208, 9872256, 10694944, 16042416, 19744512, 21389888, 32084832, 42779776, 64169664, 85559552, 128339328, 256678656]

約数ペア:

[(1, 256678656), (2, 128339328), (3, 85559552), (4, 64169664), (6, 42779776), (8, 32084832), (12, 21389888), (13, 19744512), (16, 16042416), (24, 10694944), (26, 9872256), (32, 8021208), (39, 6581504), (47, 5461248), (48, 5347472), (52, 4936128), (64, 4010604), (78, 3290752), (94, 2730624), (96, 2673736), (104, 2468064), (128, 2005302), (141, 1820416), (156, 1645376), (188, 1365312), (192, 1336868), (208, 1234032), (256, 1002651), (282, 910208), (312, 822688), (376, 682656), (384, 668434), (416, 617016), (547, 469248), (564, 455104), (611, 420096), (624, 411344), (752, 341328), (768, 334217), (832, 308508), (1094, 234624), (1128, 227552), (1222, 210048), (1248, 205672), (1504, 170664), (1641, 156416), (1664, 154254), (1833, 140032), (2188, 117312), (2256, 113776), (2444, 105024), (2496, 102836), (3008, 85332), (3282, 78208), (3328, 77127), (3666, 70016), (4376, 58656), (4512, 56888), (4888, 52512), (4992, 51418), (6016, 42666), (6564, 39104), (7111, 36096), (7332, 35008), (8752, 29328), (9024, 28444), (9776, 26256), (9984, 25709), (12032, 21333), (13128, 19552), (14222, 18048), (14664, 17504)]