198196557

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1283}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 302859648

約数和(自身を除く): 104663091

約数列:

[1, 3, 13, 17, 39, 51, 221, 233, 663, 699, 1283, 3029, 3849, 3961, 9087, 11883, 16679, 21811, 50037, 51493, 65433, 154479, 283543, 298939, 850629, 896817, 3886207, 5081963, 11658621, 15245889, 66065519, 198196557]

約数ペア:

[(1, 198196557), (3, 66065519), (13, 15245889), (17, 11658621), (39, 5081963), (51, 3886207), (221, 896817), (233, 850629), (663, 298939), (699, 283543), (1283, 154479), (3029, 65433), (3849, 51493), (3961, 50037), (9087, 21811), (11883, 16679)]