278017146239

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{487}}^1\times {\mathrm{547}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 348458820480

約数和(自身を除く): 70441674241

約数列:

[1, 7, 19, 49, 59, 133, 361, 413, 487, 547, 931, 1121, 2527, 2891, 3409, 3829, 7847, 9253, 10393, 17689, 21299, 23863, 26803, 28733, 32273, 54929, 64771, 72751, 149093, 175807, 197467, 201131, 225911, 266389, 453397, 509257, 545927, 613187, 1043651, 1230649, 1382269, 1407917, 1581377, 1864723, 3821489, 4292309, 5061391, 8614543, 9675883, 10372613, 11650553, 13053061, 15716951, 26750423, 30046163, 35429737, 72608291, 81553871, 96166429, 110018657, 248008159, 298622069, 508258037, 570877097, 673165003, 770130599, 2090354483, 4712155021, 5673819311, 14632481381, 39716735177, 278017146239]

約数ペア:

[(1, 278017146239), (7, 39716735177), (19, 14632481381), (49, 5673819311), (59, 4712155021), (133, 2090354483), (361, 770130599), (413, 673165003), (487, 570877097), (547, 508258037), (931, 298622069), (1121, 248008159), (2527, 110018657), (2891, 96166429), (3409, 81553871), (3829, 72608291), (7847, 35429737), (9253, 30046163), (10393, 26750423), (17689, 15716951), (21299, 13053061), (23863, 11650553), (26803, 10372613), (28733, 9675883), (32273, 8614543), (54929, 5061391), (64771, 4292309), (72751, 3821489), (149093, 1864723), (175807, 1581377), (197467, 1407917), (201131, 1382269), (225911, 1230649), (266389, 1043651), (453397, 613187), (509257, 545927)]