678997424

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{829}}^1$

素因数の和:1018

約数の個数: 80

約数和(自身を含む): 1541329920

約数和(自身を除く): 862332496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 103, 112, 142, 206, 284, 412, 497, 568, 721, 824, 829, 994, 1136, 1442, 1648, 1658, 1988, 2884, 3316, 3976, 5768, 5803, 6632, 7313, 7952, 11536, 11606, 13264, 14626, 23212, 29252, 46424, 51191, 58504, 58859, 85387, 92848, 102382, 117008, 117718, 170774, 204764, 235436, 341548, 409528, 412013, 470872, 597709, 683096, 819056, 824026, 941744, 1195418, 1366192, 1648052, 2390836, 3296104, 4781672, 6062477, 6592208, 9563344, 12124954, 24249908, 42437339, 48499816, 84874678, 96999632, 169749356, 339498712, 678997424]

約数ペア:

[(1, 678997424), (2, 339498712), (4, 169749356), (7, 96999632), (8, 84874678), (14, 48499816), (16, 42437339), (28, 24249908), (56, 12124954), (71, 9563344), (103, 6592208), (112, 6062477), (142, 4781672), (206, 3296104), (284, 2390836), (412, 1648052), (497, 1366192), (568, 1195418), (721, 941744), (824, 824026), (829, 819056), (994, 683096), (1136, 597709), (1442, 470872), (1648, 412013), (1658, 409528), (1988, 341548), (2884, 235436), (3316, 204764), (3976, 170774), (5768, 117718), (5803, 117008), (6632, 102382), (7313, 92848), (7952, 85387), (11536, 58859), (11606, 58504), (13264, 51191), (14626, 46424), (23212, 29252)]