208173168

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:372

約数の個数: 180

約数和(自身を含む): 685638408

約数和(自身を除く): 477465240

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 163, 168, 181, 196, 252, 294, 326, 336, 362, 392, 441, 489, 504, 543, 588, 652, 724, 784, 882, 978, 1008, 1086, 1141, 1176, 1267, 1304, 1448, 1467, 1629, 1764, 1956, 2172, 2282, 2352, 2534, 2608, 2896, 2934, 3258, 3423, 3528, 3801, 3912, 4344, 4564, 5068, 5868, 6516, 6846, 7056, 7602, 7824, 7987, 8688, 8869, 9128, 10136, 10269, 11403, 11736, 13032, 13692, 15204, 15974, 17738, 18256, 20272, 20538, 22806, 23472, 23961, 26064, 26607, 27384, 29503, 30408, 31948, 35476, 41076, 45612, 47922, 53214, 54768, 59006, 60816, 63896, 70952, 71883, 79821, 82152, 88509, 91224, 95844, 106428, 118012, 127792, 141904, 143766, 159642, 164304, 177018, 182448, 191688, 206521, 212856, 236024, 265527, 287532, 319284, 354036, 383376, 413042, 425712, 472048, 531054, 575064, 619563, 638568, 708072, 826084, 1062108, 1150128, 1239126, 1277136, 1416144, 1445647, 1652168, 1858689, 2124216, 2478252, 2891294, 3304336, 3717378, 4248432, 4336941, 4956504, 5782588, 7434756, 8673882, 9913008, 11565176, 13010823, 14869512, 17347764, 23130352, 26021646, 29739024, 34695528, 52043292, 69391056, 104086584, 208173168]

約数ペア:

[(1, 208173168), (2, 104086584), (3, 69391056), (4, 52043292), (6, 34695528), (7, 29739024), (8, 26021646), (9, 23130352), (12, 17347764), (14, 14869512), (16, 13010823), (18, 11565176), (21, 9913008), (24, 8673882), (28, 7434756), (36, 5782588), (42, 4956504), (48, 4336941), (49, 4248432), (56, 3717378), (63, 3304336), (72, 2891294), (84, 2478252), (98, 2124216), (112, 1858689), (126, 1652168), (144, 1445647), (147, 1416144), (163, 1277136), (168, 1239126), (181, 1150128), (196, 1062108), (252, 826084), (294, 708072), (326, 638568), (336, 619563), (362, 575064), (392, 531054), (441, 472048), (489, 425712), (504, 413042), (543, 383376), (588, 354036), (652, 319284), (724, 287532), (784, 265527), (882, 236024), (978, 212856), (1008, 206521), (1086, 191688), (1141, 182448), (1176, 177018), (1267, 164304), (1304, 159642), (1448, 143766), (1467, 141904), (1629, 127792), (1764, 118012), (1956, 106428), (2172, 95844), (2282, 91224), (2352, 88509), (2534, 82152), (2608, 79821), (2896, 71883), (2934, 70952), (3258, 63896), (3423, 60816), (3528, 59006), (3801, 54768), (3912, 53214), (4344, 47922), (4564, 45612), (5068, 41076), (5868, 35476), (6516, 31948), (6846, 30408), (7056, 29503), (7602, 27384), (7824, 26607), (7987, 26064), (8688, 23961), (8869, 23472), (9128, 22806), (10136, 20538), (10269, 20272), (11403, 18256), (11736, 17738), (13032, 15974), (13692, 15204)]