208430656

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 112

約数和(自身を含む): 498896640

約数和(自身を除く): 290465984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 61, 64, 112, 116, 122, 203, 224, 232, 244, 263, 406, 427, 448, 464, 488, 526, 812, 854, 928, 976, 1052, 1624, 1708, 1769, 1841, 1856, 1952, 2104, 3248, 3416, 3538, 3682, 3904, 4208, 6496, 6832, 7076, 7364, 7627, 8416, 12383, 12992, 13664, 14152, 14728, 15254, 16043, 16832, 24766, 27328, 28304, 29456, 30508, 32086, 49532, 53389, 56608, 58912, 61016, 64172, 99064, 106778, 112301, 113216, 117824, 122032, 128344, 198128, 213556, 224602, 244064, 256688, 396256, 427112, 449204, 465247, 488128, 513376, 792512, 854224, 898408, 930494, 1026752, 1708448, 1796816, 1860988, 3256729, 3416896, 3593632, 3721976, 6513458, 7187264, 7443952, 13026916, 14887904, 26053832, 29775808, 52107664, 104215328, 208430656]

約数ペア:

[(1, 208430656), (2, 104215328), (4, 52107664), (7, 29775808), (8, 26053832), (14, 14887904), (16, 13026916), (28, 7443952), (29, 7187264), (32, 6513458), (56, 3721976), (58, 3593632), (61, 3416896), (64, 3256729), (112, 1860988), (116, 1796816), (122, 1708448), (203, 1026752), (224, 930494), (232, 898408), (244, 854224), (263, 792512), (406, 513376), (427, 488128), (448, 465247), (464, 449204), (488, 427112), (526, 396256), (812, 256688), (854, 244064), (928, 224602), (976, 213556), (1052, 198128), (1624, 128344), (1708, 122032), (1769, 117824), (1841, 113216), (1856, 112301), (1952, 106778), (2104, 99064), (3248, 64172), (3416, 61016), (3538, 58912), (3682, 56608), (3904, 53389), (4208, 49532), (6496, 32086), (6832, 30508), (7076, 29456), (7364, 28304), (7627, 27328), (8416, 24766), (12383, 16832), (12992, 16043), (13664, 15254), (14152, 14728)]