201781216

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:577

約数の個数: 144

約数和(自身を含む): 524860560

約数和(自身を除く): 323079344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 56, 76, 91, 98, 104, 112, 133, 152, 182, 196, 208, 224, 247, 266, 304, 364, 392, 416, 494, 521, 532, 608, 637, 728, 784, 931, 988, 1042, 1064, 1274, 1456, 1568, 1729, 1862, 1976, 2084, 2128, 2548, 2912, 3458, 3647, 3724, 3952, 4168, 4256, 5096, 6773, 6916, 7294, 7448, 7904, 8336, 9899, 10192, 12103, 13546, 13832, 14588, 14896, 16672, 19798, 20384, 24206, 25529, 27092, 27664, 29176, 29792, 39596, 47411, 48412, 51058, 54184, 55328, 58352, 69293, 79192, 94822, 96824, 102116, 108368, 116704, 128687, 138586, 158384, 189644, 193648, 204232, 216736, 257374, 277172, 316768, 331877, 379288, 387296, 408464, 485051, 514748, 554344, 663754, 758576, 816928, 900809, 970102, 1029496, 1108688, 1327508, 1517152, 1801618, 1940204, 2058992, 2217376, 2655016, 3603236, 3880408, 4117984, 5310032, 6305663, 7206472, 7760816, 10620064, 12611326, 14412944, 15521632, 25222652, 28825888, 50445304, 100890608, 201781216]

約数ペア:

[(1, 201781216), (2, 100890608), (4, 50445304), (7, 28825888), (8, 25222652), (13, 15521632), (14, 14412944), (16, 12611326), (19, 10620064), (26, 7760816), (28, 7206472), (32, 6305663), (38, 5310032), (49, 4117984), (52, 3880408), (56, 3603236), (76, 2655016), (91, 2217376), (98, 2058992), (104, 1940204), (112, 1801618), (133, 1517152), (152, 1327508), (182, 1108688), (196, 1029496), (208, 970102), (224, 900809), (247, 816928), (266, 758576), (304, 663754), (364, 554344), (392, 514748), (416, 485051), (494, 408464), (521, 387296), (532, 379288), (608, 331877), (637, 316768), (728, 277172), (784, 257374), (931, 216736), (988, 204232), (1042, 193648), (1064, 189644), (1274, 158384), (1456, 138586), (1568, 128687), (1729, 116704), (1862, 108368), (1976, 102116), (2084, 96824), (2128, 94822), (2548, 79192), (2912, 69293), (3458, 58352), (3647, 55328), (3724, 54184), (3952, 51058), (4168, 48412), (4256, 47411), (5096, 39596), (6773, 29792), (6916, 29176), (7294, 27664), (7448, 27092), (7904, 25529), (8336, 24206), (9899, 20384), (10192, 19798), (12103, 16672), (13546, 14896), (13832, 14588)]