208768235

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{2309}}^1$

素因数の和:2447

約数の個数: 24

約数和(自身を含む): 273929040

約数和(自身を除く): 65160805

約数列:

[1, 5, 13, 65, 107, 169, 535, 845, 1391, 2309, 6955, 11545, 18083, 30017, 90415, 150085, 247063, 390221, 1235315, 1951105, 3211819, 16059095, 41753647, 208768235]

約数ペア:

[(1, 208768235), (5, 41753647), (13, 16059095), (65, 3211819), (107, 1951105), (169, 1235315), (535, 390221), (845, 247063), (1391, 150085), (2309, 90415), (6955, 30017), (11545, 18083)]