209886863

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{991}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 225699840

約数和(自身を除く): 15812977

約数列:

[1, 19, 71, 157, 991, 1349, 2983, 11147, 18829, 70361, 155587, 211793, 1336859, 2956153, 11046677, 209886863]

約数ペア:

[(1, 209886863), (19, 11046677), (71, 2956153), (157, 1336859), (991, 211793), (1349, 155587), (2983, 70361), (11147, 18829)]