391343008

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:235

約数の個数: 144

約数和(自身を含む): 945955584

約数和(自身を除く): 554612576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 83, 97, 98, 112, 124, 166, 194, 196, 217, 224, 248, 332, 388, 392, 434, 496, 581, 664, 679, 776, 784, 868, 992, 1162, 1328, 1358, 1519, 1552, 1568, 1736, 2324, 2573, 2656, 2716, 3007, 3038, 3104, 3472, 4067, 4648, 4753, 5146, 5432, 6014, 6076, 6944, 8051, 8134, 9296, 9506, 10292, 10864, 12028, 12152, 16102, 16268, 18011, 18592, 19012, 20584, 21049, 21728, 24056, 24304, 32204, 32536, 36022, 38024, 41168, 42098, 48112, 48608, 56357, 64408, 65072, 72044, 76048, 82336, 84196, 96224, 112714, 126077, 128816, 130144, 144088, 147343, 152096, 168392, 225428, 249581, 252154, 257632, 288176, 294686, 336784, 394499, 450856, 499162, 504308, 576352, 589372, 673568, 788998, 901712, 998324, 1008616, 1178744, 1577996, 1747067, 1803424, 1996648, 2017232, 2357488, 3155992, 3494134, 3993296, 4034464, 4714976, 6311984, 6988268, 7986592, 12229469, 12623968, 13976536, 24458938, 27953072, 48917876, 55906144, 97835752, 195671504, 391343008]

約数ペア:

[(1, 391343008), (2, 195671504), (4, 97835752), (7, 55906144), (8, 48917876), (14, 27953072), (16, 24458938), (28, 13976536), (31, 12623968), (32, 12229469), (49, 7986592), (56, 6988268), (62, 6311984), (83, 4714976), (97, 4034464), (98, 3993296), (112, 3494134), (124, 3155992), (166, 2357488), (194, 2017232), (196, 1996648), (217, 1803424), (224, 1747067), (248, 1577996), (332, 1178744), (388, 1008616), (392, 998324), (434, 901712), (496, 788998), (581, 673568), (664, 589372), (679, 576352), (776, 504308), (784, 499162), (868, 450856), (992, 394499), (1162, 336784), (1328, 294686), (1358, 288176), (1519, 257632), (1552, 252154), (1568, 249581), (1736, 225428), (2324, 168392), (2573, 152096), (2656, 147343), (2716, 144088), (3007, 130144), (3038, 128816), (3104, 126077), (3472, 112714), (4067, 96224), (4648, 84196), (4753, 82336), (5146, 76048), (5432, 72044), (6014, 65072), (6076, 64408), (6944, 56357), (8051, 48608), (8134, 48112), (9296, 42098), (9506, 41168), (10292, 38024), (10864, 36022), (12028, 32536), (12152, 32204), (16102, 24304), (16268, 24056), (18011, 21728), (18592, 21049), (19012, 20584)]