217881774

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:382

約数の個数: 96

約数和(自身を含む): 533579904

約数和(自身を除く): 315698130

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 129, 157, 163, 198, 258, 314, 326, 387, 471, 473, 489, 774, 942, 946, 978, 1413, 1419, 1467, 1727, 1793, 2826, 2838, 2934, 3454, 3586, 4257, 5181, 5379, 6751, 7009, 8514, 10362, 10758, 13502, 14018, 15543, 16137, 20253, 21027, 25591, 31086, 32274, 40506, 42054, 51182, 60759, 63081, 74261, 76773, 77099, 121518, 126162, 148522, 153546, 154198, 222783, 230319, 231297, 281501, 445566, 460638, 462594, 563002, 668349, 693891, 844503, 1100413, 1336698, 1387782, 1689006, 2200826, 2533509, 3301239, 5067018, 6602478, 9903717, 12104543, 19807434, 24209086, 36313629, 72627258, 108940887, 217881774]

約数ペア:

[(1, 217881774), (2, 108940887), (3, 72627258), (6, 36313629), (9, 24209086), (11, 19807434), (18, 12104543), (22, 9903717), (33, 6602478), (43, 5067018), (66, 3301239), (86, 2533509), (99, 2200826), (129, 1689006), (157, 1387782), (163, 1336698), (198, 1100413), (258, 844503), (314, 693891), (326, 668349), (387, 563002), (471, 462594), (473, 460638), (489, 445566), (774, 281501), (942, 231297), (946, 230319), (978, 222783), (1413, 154198), (1419, 153546), (1467, 148522), (1727, 126162), (1793, 121518), (2826, 77099), (2838, 76773), (2934, 74261), (3454, 63081), (3586, 60759), (4257, 51182), (5181, 42054), (5379, 40506), (6751, 32274), (7009, 31086), (8514, 25591), (10362, 21027), (10758, 20253), (13502, 16137), (14018, 15543)]