28149744

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 83724800

約数和(自身を除く): 55575056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 199, 336, 398, 421, 597, 796, 842, 1194, 1263, 1393, 1592, 1684, 2388, 2526, 2786, 2947, 3184, 3368, 4179, 4776, 5052, 5572, 5894, 6736, 8358, 8841, 9552, 10104, 11144, 11788, 16716, 17682, 20208, 22288, 23576, 33432, 35364, 47152, 66864, 70728, 83779, 141456, 167558, 251337, 335116, 502674, 586453, 670232, 1005348, 1172906, 1340464, 1759359, 2010696, 2345812, 3518718, 4021392, 4691624, 7037436, 9383248, 14074872, 28149744]

約数ペア:

[(1, 28149744), (2, 14074872), (3, 9383248), (4, 7037436), (6, 4691624), (7, 4021392), (8, 3518718), (12, 2345812), (14, 2010696), (16, 1759359), (21, 1340464), (24, 1172906), (28, 1005348), (42, 670232), (48, 586453), (56, 502674), (84, 335116), (112, 251337), (168, 167558), (199, 141456), (336, 83779), (398, 70728), (421, 66864), (597, 47152), (796, 35364), (842, 33432), (1194, 23576), (1263, 22288), (1393, 20208), (1592, 17682), (1684, 16716), (2388, 11788), (2526, 11144), (2786, 10104), (2947, 9552), (3184, 8841), (3368, 8358), (4179, 6736), (4776, 5894), (5052, 5572)]