208428948

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 216

約数和(自身を含む): 675347400

約数和(自身を除く): 466918452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 61, 63, 78, 84, 91, 98, 117, 122, 126, 147, 149, 156, 182, 183, 196, 234, 244, 252, 273, 294, 298, 364, 366, 427, 441, 447, 468, 546, 549, 588, 596, 637, 732, 793, 819, 854, 882, 894, 1043, 1092, 1098, 1274, 1281, 1341, 1586, 1638, 1708, 1764, 1788, 1911, 1937, 2086, 2196, 2379, 2548, 2562, 2682, 2989, 3129, 3172, 3276, 3822, 3843, 3874, 4172, 4758, 5124, 5364, 5551, 5733, 5811, 5978, 6258, 7137, 7301, 7644, 7686, 7748, 8967, 9089, 9387, 9516, 11102, 11466, 11622, 11956, 12516, 13559, 14274, 14602, 15372, 16653, 17433, 17934, 18178, 18774, 21903, 22204, 22932, 23244, 26901, 27118, 27267, 28548, 29204, 33306, 34866, 35868, 36356, 37548, 38857, 40677, 43806, 49959, 53802, 54236, 54534, 63623, 65709, 66612, 69732, 77714, 81354, 81801, 87612, 94913, 99918, 107604, 109068, 116571, 118157, 122031, 127246, 131418, 155428, 162708, 163602, 189826, 190869, 199836, 233142, 236314, 244062, 254492, 262836, 284739, 327204, 349713, 354471, 379652, 381738, 445361, 466284, 472628, 488124, 569478, 572607, 699426, 708942, 763476, 827099, 854217, 890722, 1063413, 1138956, 1145214, 1336083, 1398852, 1417884, 1654198, 1708434, 1781444, 2126826, 2290428, 2481297, 2672166, 3308396, 3416868, 4008249, 4253652, 4962594, 5344332, 5789693, 7443891, 8016498, 9925188, 11579386, 14887782, 16032996, 17369079, 23158772, 29775564, 34738158, 52107237, 69476316, 104214474, 208428948]

約数ペア:

[(1, 208428948), (2, 104214474), (3, 69476316), (4, 52107237), (6, 34738158), (7, 29775564), (9, 23158772), (12, 17369079), (13, 16032996), (14, 14887782), (18, 11579386), (21, 9925188), (26, 8016498), (28, 7443891), (36, 5789693), (39, 5344332), (42, 4962594), (49, 4253652), (52, 4008249), (61, 3416868), (63, 3308396), (78, 2672166), (84, 2481297), (91, 2290428), (98, 2126826), (117, 1781444), (122, 1708434), (126, 1654198), (147, 1417884), (149, 1398852), (156, 1336083), (182, 1145214), (183, 1138956), (196, 1063413), (234, 890722), (244, 854217), (252, 827099), (273, 763476), (294, 708942), (298, 699426), (364, 572607), (366, 569478), (427, 488124), (441, 472628), (447, 466284), (468, 445361), (546, 381738), (549, 379652), (588, 354471), (596, 349713), (637, 327204), (732, 284739), (793, 262836), (819, 254492), (854, 244062), (882, 236314), (894, 233142), (1043, 199836), (1092, 190869), (1098, 189826), (1274, 163602), (1281, 162708), (1341, 155428), (1586, 131418), (1638, 127246), (1708, 122031), (1764, 118157), (1788, 116571), (1911, 109068), (1937, 107604), (2086, 99918), (2196, 94913), (2379, 87612), (2548, 81801), (2562, 81354), (2682, 77714), (2989, 69732), (3129, 66612), (3172, 65709), (3276, 63623), (3822, 54534), (3843, 54236), (3874, 53802), (4172, 49959), (4758, 43806), (5124, 40677), (5364, 38857), (5551, 37548), (5733, 36356), (5811, 35868), (5978, 34866), (6258, 33306), (7137, 29204), (7301, 28548), (7644, 27267), (7686, 27118), (7748, 26901), (8967, 23244), (9089, 22932), (9387, 22204), (9516, 21903), (11102, 18774), (11466, 18178), (11622, 17934), (11956, 17433), (12516, 16653), (13559, 15372), (14274, 14602)]