7986992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 80

約数和(自身を含む): 18332160

約数和(自身を除く): 10345168

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 43, 47, 52, 76, 86, 94, 104, 152, 172, 188, 208, 247, 304, 344, 376, 494, 559, 611, 688, 752, 817, 893, 988, 1118, 1222, 1634, 1786, 1976, 2021, 2236, 2444, 3268, 3572, 3952, 4042, 4472, 4888, 6536, 7144, 8084, 8944, 9776, 10621, 11609, 13072, 14288, 16168, 21242, 23218, 26273, 32336, 38399, 42484, 46436, 52546, 76798, 84968, 92872, 105092, 153596, 169936, 185744, 210184, 307192, 420368, 499187, 614384, 998374, 1996748, 3993496, 7986992]

約数ペア:

[(1, 7986992), (2, 3993496), (4, 1996748), (8, 998374), (13, 614384), (16, 499187), (19, 420368), (26, 307192), (38, 210184), (43, 185744), (47, 169936), (52, 153596), (76, 105092), (86, 92872), (94, 84968), (104, 76798), (152, 52546), (172, 46436), (188, 42484), (208, 38399), (247, 32336), (304, 26273), (344, 23218), (376, 21242), (494, 16168), (559, 14288), (611, 13072), (688, 11609), (752, 10621), (817, 9776), (893, 8944), (988, 8084), (1118, 7144), (1222, 6536), (1634, 4888), (1786, 4472), (1976, 4042), (2021, 3952), (2236, 3572), (2444, 3268)]