820228864

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 2037688128

約数和(自身を除く): 1217459264

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 137, 182, 208, 224, 256, 257, 274, 364, 416, 448, 514, 548, 728, 832, 896, 959, 1028, 1096, 1456, 1664, 1781, 1792, 1799, 1918, 2056, 2192, 2912, 3328, 3341, 3562, 3598, 3836, 4112, 4384, 5824, 6682, 7124, 7196, 7672, 8224, 8768, 11648, 12467, 13364, 14248, 14392, 15344, 16448, 17536, 23296, 23387, 24934, 26728, 28496, 28784, 30688, 32896, 35072, 35209, 46774, 49868, 53456, 56992, 57568, 61376, 65792, 70418, 93548, 99736, 106912, 113984, 115136, 122752, 140836, 187096, 199472, 213824, 227968, 230272, 245504, 246463, 281672, 374192, 398944, 427648, 455936, 457717, 460544, 492926, 563344, 748384, 797888, 855296, 915434, 985852, 1126688, 1496768, 1595776, 1830868, 1971704, 2253376, 2993536, 3191552, 3204019, 3661736, 3943408, 4506752, 5987072, 6408038, 7323472, 7886816, 9013504, 12816076, 14646944, 15773632, 25632152, 29293888, 31547264, 51264304, 58587776, 63094528, 102528608, 117175552, 205057216, 410114432, 820228864]

約数ペア:

[(1, 820228864), (2, 410114432), (4, 205057216), (7, 117175552), (8, 102528608), (13, 63094528), (14, 58587776), (16, 51264304), (26, 31547264), (28, 29293888), (32, 25632152), (52, 15773632), (56, 14646944), (64, 12816076), (91, 9013504), (104, 7886816), (112, 7323472), (128, 6408038), (137, 5987072), (182, 4506752), (208, 3943408), (224, 3661736), (256, 3204019), (257, 3191552), (274, 2993536), (364, 2253376), (416, 1971704), (448, 1830868), (514, 1595776), (548, 1496768), (728, 1126688), (832, 985852), (896, 915434), (959, 855296), (1028, 797888), (1096, 748384), (1456, 563344), (1664, 492926), (1781, 460544), (1792, 457717), (1799, 455936), (1918, 427648), (2056, 398944), (2192, 374192), (2912, 281672), (3328, 246463), (3341, 245504), (3562, 230272), (3598, 227968), (3836, 213824), (4112, 199472), (4384, 187096), (5824, 140836), (6682, 122752), (7124, 115136), (7196, 113984), (7672, 106912), (8224, 99736), (8768, 93548), (11648, 70418), (12467, 65792), (13364, 61376), (14248, 57568), (14392, 56992), (15344, 53456), (16448, 49868), (17536, 46774), (23296, 35209), (23387, 35072), (24934, 32896), (26728, 30688), (28496, 28784)]