256434542

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 512354304

約数和(自身を除く): 255919762

約数列:

[1, 2, 7, 13, 14, 26, 31, 43, 49, 62, 86, 91, 98, 151, 182, 217, 301, 302, 403, 434, 559, 602, 637, 806, 1057, 1118, 1274, 1333, 1519, 1963, 2107, 2114, 2666, 2821, 3038, 3913, 3926, 4214, 4681, 5642, 6493, 7399, 7826, 9331, 9362, 12986, 13741, 14798, 17329, 18662, 19747, 27391, 27482, 32767, 34658, 39494, 45451, 54782, 60853, 65317, 65534, 84409, 90902, 96187, 121303, 121706, 130634, 168818, 192374, 201283, 229369, 242606, 318157, 402566, 425971, 458738, 590863, 636314, 849121, 851942, 1181726, 1408981, 1698242, 2616679, 2817962, 2981797, 4136041, 5233358, 5963594, 8272082, 9862867, 18316753, 19725734, 36633506, 128217271, 256434542]

約数ペア:

[(1, 256434542), (2, 128217271), (7, 36633506), (13, 19725734), (14, 18316753), (26, 9862867), (31, 8272082), (43, 5963594), (49, 5233358), (62, 4136041), (86, 2981797), (91, 2817962), (98, 2616679), (151, 1698242), (182, 1408981), (217, 1181726), (301, 851942), (302, 849121), (403, 636314), (434, 590863), (559, 458738), (602, 425971), (637, 402566), (806, 318157), (1057, 242606), (1118, 229369), (1274, 201283), (1333, 192374), (1519, 168818), (1963, 130634), (2107, 121706), (2114, 121303), (2666, 96187), (2821, 90902), (3038, 84409), (3913, 65534), (3926, 65317), (4214, 60853), (4681, 54782), (5642, 45451), (6493, 39494), (7399, 34658), (7826, 32767), (9331, 27482), (9362, 27391), (12986, 19747), (13741, 18662), (14798, 17329)]