28025894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:584

約数の個数: 32

約数和(自身を含む): 48353760

約数和(自身を除く): 20327866

約数列:

[1, 2, 13, 17, 26, 34, 163, 221, 326, 389, 442, 778, 2119, 2771, 4238, 5057, 5542, 6613, 10114, 13226, 36023, 63407, 72046, 85969, 126814, 171938, 824291, 1077919, 1648582, 2155838, 14012947, 28025894]

約数ペア:

[(1, 28025894), (2, 14012947), (13, 2155838), (17, 1648582), (26, 1077919), (34, 824291), (163, 171938), (221, 126814), (326, 85969), (389, 72046), (442, 63407), (778, 36023), (2119, 13226), (2771, 10114), (4238, 6613), (5057, 5542)]