256498774

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{2801}}^1$

素因数の和:3052

約数の個数: 32

約数和(自身を含む): 456210432

約数和(自身を除く): 199711658

約数列:

[1, 2, 7, 14, 31, 62, 211, 217, 422, 434, 1477, 2801, 2954, 5602, 6541, 13082, 19607, 39214, 45787, 86831, 91574, 173662, 591011, 607817, 1182022, 1215634, 4137077, 8274154, 18321341, 36642682, 128249387, 256498774]

約数ペア:

[(1, 256498774), (2, 128249387), (7, 36642682), (14, 18321341), (31, 8274154), (62, 4137077), (211, 1215634), (217, 1182022), (422, 607817), (434, 591011), (1477, 173662), (2801, 91574), (2954, 86831), (5602, 45787), (6541, 39214), (13082, 19607)]