638637519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{45361}}^1$

素因数の和:45415

約数の個数: 24

約数和(自身を含む): 967843632

約数和(自身を除く): 329206113

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 4693, 14079, 45361, 136083, 589693, 861859, 1769079, 2585577, 11204167, 16375321, 33612501, 49125963, 212879173, 638637519]

約数ペア:

[(1, 638637519), (3, 212879173), (13, 49125963), (19, 33612501), (39, 16375321), (57, 11204167), (247, 2585577), (361, 1769079), (741, 861859), (1083, 589693), (4693, 136083), (14079, 45361)]