638421888

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 256

約数和(自身を含む): 1974067200

約数和(自身を除く): 1335645312

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 53, 57, 64, 76, 78, 96, 104, 106, 114, 127, 128, 152, 156, 159, 192, 208, 212, 228, 247, 254, 304, 312, 318, 381, 384, 416, 424, 456, 494, 508, 608, 624, 636, 689, 741, 762, 832, 848, 912, 988, 1007, 1016, 1216, 1248, 1272, 1378, 1482, 1524, 1651, 1664, 1696, 1824, 1976, 2014, 2032, 2067, 2413, 2432, 2496, 2544, 2756, 2964, 3021, 3048, 3302, 3392, 3648, 3952, 4028, 4064, 4134, 4826, 4953, 4992, 5088, 5512, 5928, 6042, 6096, 6604, 6731, 6784, 7239, 7296, 7904, 8056, 8128, 8268, 9652, 9906, 10176, 11024, 11856, 12084, 12192, 13091, 13208, 13462, 14478, 15808, 16112, 16256, 16536, 19304, 19812, 20193, 20352, 22048, 23712, 24168, 24384, 26182, 26416, 26924, 28956, 31369, 31616, 32224, 33072, 38608, 39273, 39624, 40386, 44096, 47424, 48336, 48768, 52364, 52832, 53848, 57912, 62738, 64448, 66144, 77216, 78546, 79248, 80772, 87503, 88192, 94107, 94848, 96672, 104728, 105664, 107696, 115824, 125476, 127889, 128896, 132288, 154432, 157092, 158496, 161544, 175006, 188214, 193344, 209456, 211328, 215392, 231648, 250952, 255778, 262509, 264576, 308864, 314184, 316992, 323088, 350012, 376428, 383667, 386688, 418912, 430784, 463296, 501904, 511556, 525018, 628368, 633984, 646176, 700024, 752856, 767334, 837824, 861568, 926592, 1003808, 1023112, 1050036, 1256736, 1292352, 1400048, 1505712, 1534668, 1662557, 1675648, 2007616, 2046224, 2100072, 2513472, 2584704, 2800096, 3011424, 3069336, 3325114, 4015232, 4092448, 4200144, 4987671, 5026944, 5600192, 6022848, 6138672, 6650228, 8184896, 8400288, 9975342, 11200384, 12045696, 12277344, 13300456, 16369792, 16800576, 19950684, 24554688, 26600912, 33601152, 39901368, 49109376, 53201824, 79802736, 106403648, 159605472, 212807296, 319210944, 638421888]

約数ペア:

[(1, 638421888), (2, 319210944), (3, 212807296), (4, 159605472), (6, 106403648), (8, 79802736), (12, 53201824), (13, 49109376), (16, 39901368), (19, 33601152), (24, 26600912), (26, 24554688), (32, 19950684), (38, 16800576), (39, 16369792), (48, 13300456), (52, 12277344), (53, 12045696), (57, 11200384), (64, 9975342), (76, 8400288), (78, 8184896), (96, 6650228), (104, 6138672), (106, 6022848), (114, 5600192), (127, 5026944), (128, 4987671), (152, 4200144), (156, 4092448), (159, 4015232), (192, 3325114), (208, 3069336), (212, 3011424), (228, 2800096), (247, 2584704), (254, 2513472), (304, 2100072), (312, 2046224), (318, 2007616), (381, 1675648), (384, 1662557), (416, 1534668), (424, 1505712), (456, 1400048), (494, 1292352), (508, 1256736), (608, 1050036), (624, 1023112), (636, 1003808), (689, 926592), (741, 861568), (762, 837824), (832, 767334), (848, 752856), (912, 700024), (988, 646176), (1007, 633984), (1016, 628368), (1216, 525018), (1248, 511556), (1272, 501904), (1378, 463296), (1482, 430784), (1524, 418912), (1651, 386688), (1664, 383667), (1696, 376428), (1824, 350012), (1976, 323088), (2014, 316992), (2032, 314184), (2067, 308864), (2413, 264576), (2432, 262509), (2496, 255778), (2544, 250952), (2756, 231648), (2964, 215392), (3021, 211328), (3048, 209456), (3302, 193344), (3392, 188214), (3648, 175006), (3952, 161544), (4028, 158496), (4064, 157092), (4134, 154432), (4826, 132288), (4953, 128896), (4992, 127889), (5088, 125476), (5512, 115824), (5928, 107696), (6042, 105664), (6096, 104728), (6604, 96672), (6731, 94848), (6784, 94107), (7239, 88192), (7296, 87503), (7904, 80772), (8056, 79248), (8128, 78546), (8268, 77216), (9652, 66144), (9906, 64448), (10176, 62738), (11024, 57912), (11856, 53848), (12084, 52832), (12192, 52364), (13091, 48768), (13208, 48336), (13462, 47424), (14478, 44096), (15808, 40386), (16112, 39624), (16256, 39273), (16536, 38608), (19304, 33072), (19812, 32224), (20193, 31616), (20352, 31369), (22048, 28956), (23712, 26924), (24168, 26416), (24384, 26182)]