128930906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{24919}}^1$

素因数の和:25133

約数の個数: 16

約数和(自身を含む): 209328000

約数和(自身を除く): 80397094

約数列:

[1, 2, 13, 26, 199, 398, 2587, 5174, 24919, 49838, 323947, 647894, 4958881, 9917762, 64465453, 128930906]

約数ペア:

[(1, 128930906), (2, 64465453), (13, 9917762), (26, 4958881), (199, 647894), (398, 323947), (2587, 49838), (5174, 24919)]