217131824

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{757}}^1$

素因数の和:982

約数の個数: 80

約数和(自身を含む): 521091648

約数和(自身を除く): 303959824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 197, 208, 364, 394, 728, 757, 788, 1379, 1456, 1514, 1576, 2561, 2758, 3028, 3152, 5122, 5299, 5516, 6056, 9841, 10244, 10598, 11032, 12112, 17927, 19682, 20488, 21196, 22064, 35854, 39364, 40976, 42392, 68887, 71708, 78728, 84784, 137774, 143416, 149129, 157456, 275548, 286832, 298258, 551096, 596516, 1043903, 1102192, 1193032, 1938677, 2087806, 2386064, 3877354, 4175612, 7754708, 8351224, 13570739, 15509416, 16702448, 27141478, 31018832, 54282956, 108565912, 217131824]

約数ペア:

[(1, 217131824), (2, 108565912), (4, 54282956), (7, 31018832), (8, 27141478), (13, 16702448), (14, 15509416), (16, 13570739), (26, 8351224), (28, 7754708), (52, 4175612), (56, 3877354), (91, 2386064), (104, 2087806), (112, 1938677), (182, 1193032), (197, 1102192), (208, 1043903), (364, 596516), (394, 551096), (728, 298258), (757, 286832), (788, 275548), (1379, 157456), (1456, 149129), (1514, 143416), (1576, 137774), (2561, 84784), (2758, 78728), (3028, 71708), (3152, 68887), (5122, 42392), (5299, 40976), (5516, 39364), (6056, 35854), (9841, 22064), (10244, 21196), (10598, 20488), (11032, 19682), (12112, 17927)]