28535390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219503}}^1$

素因数の和:219523

約数の個数: 16

約数和(自身を含む): 55315008

約数和(自身を除く): 26779618

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 219503, 439006, 1097515, 2195030, 2853539, 5707078, 14267695, 28535390]

約数ペア:

[(1, 28535390), (2, 14267695), (5, 5707078), (10, 2853539), (13, 2195030), (26, 1097515), (65, 439006), (130, 219503)]