871808128

素因数分解:

$2^7\times {\mathrm{389}}^1\times {\mathrm{17509}}^1$

素因数の和:17912

約数の個数: 32

約数和(自身を含む): 1741369500

約数和(自身を除く): 869561372

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 389, 778, 1556, 3112, 6224, 12448, 17509, 24896, 35018, 49792, 70036, 140072, 280144, 560288, 1120576, 2241152, 6811001, 13622002, 27244004, 54488008, 108976016, 217952032, 435904064, 871808128]

約数ペア:

[(1, 871808128), (2, 435904064), (4, 217952032), (8, 108976016), (16, 54488008), (32, 27244004), (64, 13622002), (128, 6811001), (389, 2241152), (778, 1120576), (1556, 560288), (3112, 280144), (6224, 140072), (12448, 70036), (17509, 49792), (24896, 35018)]