208575906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{683}}^1$

素因数の和:1367

約数の個数: 64

約数和(自身を含む): 521634816

約数和(自身を除く): 313058910

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 661, 683, 1322, 1366, 1983, 2049, 3966, 4098, 4627, 4781, 7271, 7513, 9254, 9562, 13881, 14343, 14542, 15026, 21813, 22539, 27762, 28686, 43626, 45078, 50897, 52591, 101794, 105182, 152691, 157773, 305382, 315546, 451463, 902926, 1354389, 2708778, 3160241, 4966093, 6320482, 9480723, 9932186, 14898279, 18961446, 29796558, 34762651, 69525302, 104287953, 208575906]

約数ペア:

[(1, 208575906), (2, 104287953), (3, 69525302), (6, 34762651), (7, 29796558), (11, 18961446), (14, 14898279), (21, 9932186), (22, 9480723), (33, 6320482), (42, 4966093), (66, 3160241), (77, 2708778), (154, 1354389), (231, 902926), (462, 451463), (661, 315546), (683, 305382), (1322, 157773), (1366, 152691), (1983, 105182), (2049, 101794), (3966, 52591), (4098, 50897), (4627, 45078), (4781, 43626), (7271, 28686), (7513, 27762), (9254, 22539), (9562, 21813), (13881, 15026), (14343, 14542)]