208256568

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^2$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 605835720

約数和(自身を除く): 397579152

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 43, 52, 57, 76, 78, 86, 104, 114, 129, 152, 156, 172, 228, 247, 258, 312, 344, 361, 456, 494, 516, 559, 722, 741, 817, 988, 1032, 1083, 1118, 1444, 1482, 1634, 1677, 1849, 1976, 2166, 2236, 2451, 2888, 2964, 3268, 3354, 3698, 4332, 4472, 4693, 4902, 5547, 5928, 6536, 6708, 7396, 8664, 9386, 9804, 10621, 11094, 13416, 14079, 14792, 15523, 18772, 19608, 21242, 22188, 24037, 28158, 31046, 31863, 35131, 37544, 42484, 44376, 46569, 48074, 56316, 62092, 63726, 70262, 72111, 84968, 93138, 96148, 105393, 112632, 124184, 127452, 140524, 144222, 186276, 192296, 201799, 210786, 254904, 281048, 288444, 372552, 403598, 421572, 456703, 576888, 605397, 667489, 807196, 843144, 913406, 1210794, 1334978, 1370109, 1614392, 1826812, 2002467, 2421588, 2669956, 2740218, 3653624, 4004934, 4843176, 5339912, 5480436, 8009868, 8677357, 10960872, 16019736, 17354714, 26032071, 34709428, 52064142, 69418856, 104128284, 208256568]

約数ペア:

[(1, 208256568), (2, 104128284), (3, 69418856), (4, 52064142), (6, 34709428), (8, 26032071), (12, 17354714), (13, 16019736), (19, 10960872), (24, 8677357), (26, 8009868), (38, 5480436), (39, 5339912), (43, 4843176), (52, 4004934), (57, 3653624), (76, 2740218), (78, 2669956), (86, 2421588), (104, 2002467), (114, 1826812), (129, 1614392), (152, 1370109), (156, 1334978), (172, 1210794), (228, 913406), (247, 843144), (258, 807196), (312, 667489), (344, 605397), (361, 576888), (456, 456703), (494, 421572), (516, 403598), (559, 372552), (722, 288444), (741, 281048), (817, 254904), (988, 210786), (1032, 201799), (1083, 192296), (1118, 186276), (1444, 144222), (1482, 140524), (1634, 127452), (1677, 124184), (1849, 112632), (1976, 105393), (2166, 96148), (2236, 93138), (2451, 84968), (2888, 72111), (2964, 70262), (3268, 63726), (3354, 62092), (3698, 56316), (4332, 48074), (4472, 46569), (4693, 44376), (4902, 42484), (5547, 37544), (5928, 35131), (6536, 31863), (6708, 31046), (7396, 28158), (8664, 24037), (9386, 22188), (9804, 21242), (10621, 19608), (11094, 18772), (13416, 15523), (14079, 14792)]