217451808

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:860

約数の個数: 216

約数和(自身を含む): 758131920

約数和(自身を除く): 540680112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 49, 56, 57, 63, 72, 76, 84, 96, 98, 112, 114, 126, 133, 144, 147, 152, 168, 171, 196, 224, 228, 252, 266, 288, 294, 304, 336, 342, 392, 399, 441, 456, 504, 532, 588, 608, 672, 684, 784, 798, 811, 882, 912, 931, 1008, 1064, 1176, 1197, 1368, 1568, 1596, 1622, 1764, 1824, 1862, 2016, 2128, 2352, 2394, 2433, 2736, 2793, 3192, 3244, 3528, 3724, 4256, 4704, 4788, 4866, 5472, 5586, 5677, 6384, 6488, 7056, 7299, 7448, 8379, 9576, 9732, 11172, 11354, 12768, 12976, 14112, 14598, 14896, 15409, 16758, 17031, 19152, 19464, 22344, 22708, 25952, 29196, 29792, 30818, 33516, 34062, 38304, 38928, 39739, 44688, 45416, 46227, 51093, 58392, 61636, 67032, 68124, 77856, 79478, 89376, 90832, 92454, 102186, 107863, 116784, 119217, 123272, 134064, 136248, 138681, 158956, 181664, 184908, 204372, 215726, 233568, 238434, 246544, 268128, 272496, 277362, 317912, 323589, 357651, 369816, 408744, 431452, 476868, 493088, 544992, 554724, 635824, 647178, 715302, 739632, 755041, 817488, 862904, 953736, 970767, 1109448, 1271648, 1294356, 1430604, 1479264, 1510082, 1634976, 1725808, 1907472, 1941534, 2218896, 2265123, 2588712, 2861208, 3020164, 3451616, 3814944, 3883068, 4437792, 4530246, 5177424, 5722416, 6040328, 6795369, 7766136, 9060492, 10354848, 11444832, 12080656, 13590738, 15532272, 18120984, 24161312, 27181476, 31064544, 36241968, 54362952, 72483936, 108725904, 217451808]

約数ペア:

[(1, 217451808), (2, 108725904), (3, 72483936), (4, 54362952), (6, 36241968), (7, 31064544), (8, 27181476), (9, 24161312), (12, 18120984), (14, 15532272), (16, 13590738), (18, 12080656), (19, 11444832), (21, 10354848), (24, 9060492), (28, 7766136), (32, 6795369), (36, 6040328), (38, 5722416), (42, 5177424), (48, 4530246), (49, 4437792), (56, 3883068), (57, 3814944), (63, 3451616), (72, 3020164), (76, 2861208), (84, 2588712), (96, 2265123), (98, 2218896), (112, 1941534), (114, 1907472), (126, 1725808), (133, 1634976), (144, 1510082), (147, 1479264), (152, 1430604), (168, 1294356), (171, 1271648), (196, 1109448), (224, 970767), (228, 953736), (252, 862904), (266, 817488), (288, 755041), (294, 739632), (304, 715302), (336, 647178), (342, 635824), (392, 554724), (399, 544992), (441, 493088), (456, 476868), (504, 431452), (532, 408744), (588, 369816), (608, 357651), (672, 323589), (684, 317912), (784, 277362), (798, 272496), (811, 268128), (882, 246544), (912, 238434), (931, 233568), (1008, 215726), (1064, 204372), (1176, 184908), (1197, 181664), (1368, 158956), (1568, 138681), (1596, 136248), (1622, 134064), (1764, 123272), (1824, 119217), (1862, 116784), (2016, 107863), (2128, 102186), (2352, 92454), (2394, 90832), (2433, 89376), (2736, 79478), (2793, 77856), (3192, 68124), (3244, 67032), (3528, 61636), (3724, 58392), (4256, 51093), (4704, 46227), (4788, 45416), (4866, 44688), (5472, 39739), (5586, 38928), (5677, 38304), (6384, 34062), (6488, 33516), (7056, 30818), (7299, 29792), (7448, 29196), (8379, 25952), (9576, 22708), (9732, 22344), (11172, 19464), (11354, 19152), (12768, 17031), (12976, 16758), (14112, 15409), (14598, 14896)]