638471808

素因数分解:

$2^7\times 3^5\times {\mathrm{13}}^1\times {\mathrm{1579}}^1$

素因数の和:1621

約数の個数: 192

約数和(自身を含む): 2053178400

約数和(自身を除く): 1414706592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 192, 208, 216, 234, 243, 288, 312, 324, 351, 384, 416, 432, 468, 486, 576, 624, 648, 702, 832, 864, 936, 972, 1053, 1152, 1248, 1296, 1404, 1579, 1664, 1728, 1872, 1944, 2106, 2496, 2592, 2808, 3158, 3159, 3456, 3744, 3888, 4212, 4737, 4992, 5184, 5616, 6316, 6318, 7488, 7776, 8424, 9474, 10368, 11232, 12632, 12636, 14211, 14976, 15552, 16848, 18948, 20527, 22464, 25264, 25272, 28422, 31104, 33696, 37896, 41054, 42633, 44928, 50528, 50544, 56844, 61581, 67392, 75792, 82108, 85266, 101056, 101088, 113688, 123162, 127899, 134784, 151584, 164216, 170532, 184743, 202112, 202176, 227376, 246324, 255798, 303168, 328432, 341064, 369486, 383697, 404352, 454752, 492648, 511596, 554229, 606336, 656864, 682128, 738972, 767394, 909504, 985296, 1023192, 1108458, 1313728, 1364256, 1477944, 1534788, 1662687, 1819008, 1970592, 2046384, 2216916, 2627456, 2728512, 2955888, 3069576, 3325374, 3941184, 4092768, 4433832, 4988061, 5457024, 5911776, 6139152, 6650748, 7882368, 8185536, 8867664, 9976122, 11823552, 12278304, 13301496, 16371072, 17735328, 19952244, 23647104, 24556608, 26602992, 35470656, 39904488, 49113216, 53205984, 70941312, 79808976, 106411968, 159617952, 212823936, 319235904, 638471808]

約数ペア:

[(1, 638471808), (2, 319235904), (3, 212823936), (4, 159617952), (6, 106411968), (8, 79808976), (9, 70941312), (12, 53205984), (13, 49113216), (16, 39904488), (18, 35470656), (24, 26602992), (26, 24556608), (27, 23647104), (32, 19952244), (36, 17735328), (39, 16371072), (48, 13301496), (52, 12278304), (54, 11823552), (64, 9976122), (72, 8867664), (78, 8185536), (81, 7882368), (96, 6650748), (104, 6139152), (108, 5911776), (117, 5457024), (128, 4988061), (144, 4433832), (156, 4092768), (162, 3941184), (192, 3325374), (208, 3069576), (216, 2955888), (234, 2728512), (243, 2627456), (288, 2216916), (312, 2046384), (324, 1970592), (351, 1819008), (384, 1662687), (416, 1534788), (432, 1477944), (468, 1364256), (486, 1313728), (576, 1108458), (624, 1023192), (648, 985296), (702, 909504), (832, 767394), (864, 738972), (936, 682128), (972, 656864), (1053, 606336), (1152, 554229), (1248, 511596), (1296, 492648), (1404, 454752), (1579, 404352), (1664, 383697), (1728, 369486), (1872, 341064), (1944, 328432), (2106, 303168), (2496, 255798), (2592, 246324), (2808, 227376), (3158, 202176), (3159, 202112), (3456, 184743), (3744, 170532), (3888, 164216), (4212, 151584), (4737, 134784), (4992, 127899), (5184, 123162), (5616, 113688), (6316, 101088), (6318, 101056), (7488, 85266), (7776, 82108), (8424, 75792), (9474, 67392), (10368, 61581), (11232, 56844), (12632, 50544), (12636, 50528), (14211, 44928), (14976, 42633), (15552, 41054), (16848, 37896), (18948, 33696), (20527, 31104), (22464, 28422), (25264, 25272)]