2158208078

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{6385231}}^1$

素因数の和:6385259

約数の個数: 12

約数和(自身を含む): 3505492368

約数和(自身を除く): 1347284290

約数列:

[1, 2, 13, 26, 169, 338, 6385231, 12770462, 83008003, 166016006, 1079104039, 2158208078]

約数ペア:

[(1, 2158208078), (2, 1079104039), (13, 166016006), (26, 83008003), (169, 12770462), (338, 6385231)]