1996748

素因数分解:

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

素因数の和:126

約数の個数: 48

約数和(自身を含む): 4139520

約数和(自身を除く): 2142772

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 47, 52, 76, 86, 94, 172, 188, 247, 494, 559, 611, 817, 893, 988, 1118, 1222, 1634, 1786, 2021, 2236, 2444, 3268, 3572, 4042, 8084, 10621, 11609, 21242, 23218, 26273, 38399, 42484, 46436, 52546, 76798, 105092, 153596, 499187, 998374, 1996748]

約数ペア:

[(1, 1996748), (2, 998374), (4, 499187), (13, 153596), (19, 105092), (26, 76798), (38, 52546), (43, 46436), (47, 42484), (52, 38399), (76, 26273), (86, 23218), (94, 21242), (172, 11609), (188, 10621), (247, 8084), (494, 4042), (559, 3572), (611, 3268), (817, 2444), (893, 2236), (988, 2021), (1118, 1786), (1222, 1634)]