199312144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{401839}}^1$

素因数の和:401878

約数の個数: 20

約数和(自身を含む): 398625280

約数和(自身を除く): 199313136

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 401839, 803678, 1607356, 3214712, 6429424, 12457009, 24914018, 49828036, 99656072, 199312144]

約数ペア:

[(1, 199312144), (2, 99656072), (4, 49828036), (8, 24914018), (16, 12457009), (31, 6429424), (62, 3214712), (124, 1607356), (248, 803678), (496, 401839)]