217071484

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{15919}}^1$

素因数の和:16417

約数の個数: 24

約数和(自身を含む): 435061760

約数和(自身を除く): 217990276

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1948, 3409, 6818, 13636, 15919, 31838, 63676, 111433, 222866, 445732, 7752553, 15505106, 31010212, 54267871, 108535742, 217071484]

約数ペア:

[(1, 217071484), (2, 108535742), (4, 54267871), (7, 31010212), (14, 15505106), (28, 7752553), (487, 445732), (974, 222866), (1948, 111433), (3409, 63676), (6818, 31838), (13636, 15919)]