51356656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{246907}}^1$

素因数の和:246928

約数の個数: 20

約数和(自身を含む): 107158072

約数和(自身を除く): 55801416

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 246907, 493814, 987628, 1975256, 3209791, 3950512, 6419582, 12839164, 25678328, 51356656]

約数ペア:

[(1, 51356656), (2, 25678328), (4, 12839164), (8, 6419582), (13, 3950512), (16, 3209791), (26, 1975256), (52, 987628), (104, 493814), (208, 246907)]