217895977

素因数分解:

${\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1\times {\mathrm{409}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 238049280

約数和(自身を除く): 20153303

約数列:

[1, 13, 107, 383, 409, 1391, 4979, 5317, 40981, 43763, 156647, 532753, 568919, 2036411, 16761229, 217895977]

約数ペア:

[(1, 217895977), (13, 16761229), (107, 2036411), (383, 568919), (409, 532753), (1391, 156647), (4979, 43763), (5317, 40981)]