208301478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{19603}}^1$

素因数の和:19649

約数の個数: 64

約数和(自身を含む): 542011392

約数和(自身を除く): 333709914

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 138, 154, 161, 231, 253, 322, 462, 483, 506, 759, 966, 1518, 1771, 3542, 5313, 10626, 19603, 39206, 58809, 117618, 137221, 215633, 274442, 411663, 431266, 450869, 646899, 823326, 901738, 1293798, 1352607, 1509431, 2705214, 3018862, 3156083, 4528293, 4959559, 6312166, 9056586, 9468249, 9919118, 14878677, 18936498, 29757354, 34716913, 69433826, 104150739, 208301478]

約数ペア:

[(1, 208301478), (2, 104150739), (3, 69433826), (6, 34716913), (7, 29757354), (11, 18936498), (14, 14878677), (21, 9919118), (22, 9468249), (23, 9056586), (33, 6312166), (42, 4959559), (46, 4528293), (66, 3156083), (69, 3018862), (77, 2705214), (138, 1509431), (154, 1352607), (161, 1293798), (231, 901738), (253, 823326), (322, 646899), (462, 450869), (483, 431266), (506, 411663), (759, 274442), (966, 215633), (1518, 137221), (1771, 117618), (3542, 58809), (5313, 39206), (10626, 19603)]