219438856

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 551218500

約数和(自身を除く): 331779644

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 49, 52, 56, 68, 91, 98, 104, 119, 136, 149, 182, 196, 221, 238, 289, 298, 364, 392, 442, 476, 578, 596, 637, 728, 833, 884, 952, 1043, 1156, 1192, 1274, 1547, 1666, 1768, 1937, 2023, 2086, 2312, 2533, 2548, 3094, 3332, 3757, 3874, 4046, 4172, 5066, 5096, 6188, 6664, 7301, 7514, 7748, 8092, 8344, 10132, 10829, 12376, 13559, 14161, 14602, 15028, 15496, 16184, 17731, 20264, 21658, 26299, 27118, 28322, 29204, 30056, 32929, 35462, 43061, 43316, 52598, 54236, 56644, 58408, 65858, 70924, 86122, 86632, 94913, 105196, 108472, 113288, 124117, 131716, 141848, 172244, 184093, 189826, 210392, 230503, 248234, 263432, 301427, 344488, 368186, 379652, 461006, 496468, 559793, 602854, 736372, 759304, 922012, 992936, 1119586, 1205708, 1472744, 1613521, 1844024, 2109989, 2239172, 2411416, 3227042, 3918551, 4219978, 4478344, 6454084, 7837102, 8439956, 12908168, 15674204, 16879912, 27429857, 31348408, 54859714, 109719428, 219438856]

約数ペア:

[(1, 219438856), (2, 109719428), (4, 54859714), (7, 31348408), (8, 27429857), (13, 16879912), (14, 15674204), (17, 12908168), (26, 8439956), (28, 7837102), (34, 6454084), (49, 4478344), (52, 4219978), (56, 3918551), (68, 3227042), (91, 2411416), (98, 2239172), (104, 2109989), (119, 1844024), (136, 1613521), (149, 1472744), (182, 1205708), (196, 1119586), (221, 992936), (238, 922012), (289, 759304), (298, 736372), (364, 602854), (392, 559793), (442, 496468), (476, 461006), (578, 379652), (596, 368186), (637, 344488), (728, 301427), (833, 263432), (884, 248234), (952, 230503), (1043, 210392), (1156, 189826), (1192, 184093), (1274, 172244), (1547, 141848), (1666, 131716), (1768, 124117), (1937, 113288), (2023, 108472), (2086, 105196), (2312, 94913), (2533, 86632), (2548, 86122), (3094, 70924), (3332, 65858), (3757, 58408), (3874, 56644), (4046, 54236), (4172, 52598), (5066, 43316), (5096, 43061), (6188, 35462), (6664, 32929), (7301, 30056), (7514, 29204), (7748, 28322), (8092, 27118), (8344, 26299), (10132, 21658), (10829, 20264), (12376, 17731), (13559, 16184), (14161, 15496), (14602, 15028)]