201351995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3877}}^1$

素因数の和:3959

約数の個数: 32

約数和(自身を含む): 281449728

約数和(自身を除く): 80097733

約数列:

[1, 5, 13, 17, 47, 65, 85, 221, 235, 611, 799, 1105, 3055, 3877, 3995, 10387, 19385, 50401, 51935, 65909, 182219, 252005, 329545, 856817, 911095, 2368847, 3097723, 4284085, 11844235, 15488615, 40270399, 201351995]

約数ペア:

[(1, 201351995), (5, 40270399), (13, 15488615), (17, 11844235), (47, 4284085), (65, 3097723), (85, 2368847), (221, 911095), (235, 856817), (611, 329545), (799, 252005), (1105, 182219), (3055, 65909), (3877, 51935), (3995, 50401), (10387, 19385)]