206519005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 326592000

約数和(自身を除く): 120072995

約数列:

[1, 5, 7, 11, 29, 35, 53, 55, 77, 145, 203, 265, 319, 349, 371, 385, 583, 1015, 1537, 1595, 1745, 1855, 2233, 2443, 2915, 3839, 4081, 7685, 10121, 10759, 11165, 12215, 16907, 18497, 19195, 20405, 26873, 50605, 53795, 70847, 84535, 92485, 111331, 118349, 129479, 134365, 203467, 354235, 536413, 556655, 591745, 647395, 779317, 1017335, 1424269, 2682065, 3754891, 3896585, 5900543, 7121345, 18774455, 29502715, 41303801, 206519005]

約数ペア:

[(1, 206519005), (5, 41303801), (7, 29502715), (11, 18774455), (29, 7121345), (35, 5900543), (53, 3896585), (55, 3754891), (77, 2682065), (145, 1424269), (203, 1017335), (265, 779317), (319, 647395), (349, 591745), (371, 556655), (385, 536413), (583, 354235), (1015, 203467), (1537, 134365), (1595, 129479), (1745, 118349), (1855, 111331), (2233, 92485), (2443, 84535), (2915, 70847), (3839, 53795), (4081, 50605), (7685, 26873), (10121, 20405), (10759, 19195), (11165, 18497), (12215, 16907)]