257276656

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{25243}}^1$

素因数の和:25278

約数の個数: 60

約数和(自身を含む): 624486072

約数和(自身を除く): 367209416

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2548, 5096, 10192, 25243, 50486, 100972, 176701, 201944, 328159, 353402, 403888, 656318, 706804, 1236907, 1312636, 1413608, 2297113, 2473814, 2625272, 2827216, 4594226, 4947628, 5250544, 9188452, 9895256, 16079791, 18376904, 19790512, 32159582, 36753808, 64319164, 128638328, 257276656]

約数ペア:

[(1, 257276656), (2, 128638328), (4, 64319164), (7, 36753808), (8, 32159582), (13, 19790512), (14, 18376904), (16, 16079791), (26, 9895256), (28, 9188452), (49, 5250544), (52, 4947628), (56, 4594226), (91, 2827216), (98, 2625272), (104, 2473814), (112, 2297113), (182, 1413608), (196, 1312636), (208, 1236907), (364, 706804), (392, 656318), (637, 403888), (728, 353402), (784, 328159), (1274, 201944), (1456, 176701), (2548, 100972), (5096, 50486), (10192, 25243)]