208237216

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 501318720

約数和(自身を除く): 293081504

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 23, 32, 34, 44, 46, 68, 88, 89, 92, 136, 176, 178, 184, 187, 253, 272, 289, 352, 356, 368, 374, 391, 506, 544, 578, 712, 736, 748, 782, 979, 1012, 1156, 1424, 1496, 1513, 1564, 1958, 2024, 2047, 2312, 2848, 2992, 3026, 3128, 3179, 3916, 4048, 4094, 4301, 4624, 5984, 6052, 6256, 6358, 6647, 7832, 8096, 8188, 8602, 9248, 12104, 12512, 12716, 13294, 15664, 16376, 16643, 17204, 22517, 24208, 25432, 25721, 26588, 31328, 32752, 33286, 34408, 34799, 45034, 48416, 50864, 51442, 53176, 65504, 66572, 68816, 69598, 73117, 90068, 101728, 102884, 106352, 133144, 137632, 139196, 146234, 180136, 205768, 212704, 266288, 278392, 282931, 292468, 360272, 382789, 411536, 532576, 556784, 565862, 584936, 591583, 720544, 765578, 823072, 1113568, 1131724, 1169872, 1183166, 1531156, 2263448, 2339744, 2366332, 3062312, 4526896, 4732664, 6124624, 6507413, 9053792, 9465328, 12249248, 13014826, 18930656, 26029652, 52059304, 104118608, 208237216]

約数ペア:

[(1, 208237216), (2, 104118608), (4, 52059304), (8, 26029652), (11, 18930656), (16, 13014826), (17, 12249248), (22, 9465328), (23, 9053792), (32, 6507413), (34, 6124624), (44, 4732664), (46, 4526896), (68, 3062312), (88, 2366332), (89, 2339744), (92, 2263448), (136, 1531156), (176, 1183166), (178, 1169872), (184, 1131724), (187, 1113568), (253, 823072), (272, 765578), (289, 720544), (352, 591583), (356, 584936), (368, 565862), (374, 556784), (391, 532576), (506, 411536), (544, 382789), (578, 360272), (712, 292468), (736, 282931), (748, 278392), (782, 266288), (979, 212704), (1012, 205768), (1156, 180136), (1424, 146234), (1496, 139196), (1513, 137632), (1564, 133144), (1958, 106352), (2024, 102884), (2047, 101728), (2312, 90068), (2848, 73117), (2992, 69598), (3026, 68816), (3128, 66572), (3179, 65504), (3916, 53176), (4048, 51442), (4094, 50864), (4301, 48416), (4624, 45034), (5984, 34799), (6052, 34408), (6256, 33286), (6358, 32752), (6647, 31328), (7832, 26588), (8096, 25721), (8188, 25432), (8602, 24208), (9248, 22517), (12104, 17204), (12512, 16643), (12716, 16376), (13294, 15664)]