3993496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 8870400

約数和(自身を除く): 4876904

約数列:

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

約数ペア:

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