200907395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71881}}^1$

素因数の和:71942

約数の個数: 16

約数和(自身を含む): 265675872

約数和(自身を除く): 64768477

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 71881, 359405, 934453, 3090883, 4672265, 15454415, 40181479, 200907395]

約数ペア:

[(1, 200907395), (5, 40181479), (13, 15454415), (43, 4672265), (65, 3090883), (215, 934453), (559, 359405), (2795, 71881)]