216500318209

素因数分解:

$7^3\times {\mathrm{1913}}^1\times {\mathrm{329951}}^1$

素因数の和:331885

約数の個数: 16

約数和(自身を含む): 252611251200

約数和(自身を除く): 36110932991

約数列:

[1, 7, 49, 343, 1913, 13391, 93737, 329951, 656159, 2309657, 16167599, 113173193, 631196263, 4418373841, 30928616887, 216500318209]

約数ペア:

[(1, 216500318209), (7, 30928616887), (49, 4418373841), (343, 631196263), (1913, 113173193), (13391, 16167599), (93737, 2309657), (329951, 656159)]